Question: Paul McCartney was lead vocals for what band?
About the article "Hey Jude", section "Personnel".

Candidate passages:
All songs by Linda McCartney, except where noted.
"Wide Prairie" – 4:33 *"Recorded by Wings on 20 November 1973 in Paris, and in June 1974 in Nashville, Tennessee."
*Linda McCartney – Lead vocals, Mellotron, Backing vocals *Paul McCartney – Bass, Piano, Rhodes, Electric organ, Backing vocals *Jimmy McCulloch – Electric guitar *Denny Laine – Acoustic guitar *Davey Lutton – Drums *Vassar Clements and Johnny Gimble – Fiddles *Thaddeus Richard – Alto saxophone *Hewlett Quillen – Trombone *William Puett – Tenor saxophone *George Tidwell and Barry McDonald – Trumpets *Norman Ray – Baritone saxophone "New Orleans" – 3:13 *"Recorded in New Orleans February 1975 during Wings sessions for album "Venus and Mars", with further recording taking place on 24 May 1979."
*Linda McCartney – Lead vocals, Piano *Paul McCartney – Bass, Piano, Backing vocals *Denny Laine – Acoustic guitar, Electric guitar *Joe English – Drums "The White Coated Man" (P. McCartney, L. McCartney, Carla Lane) – 2:13 *"A song critical of the practice of vivisection, recorded 21 March 1988 and 18 July 1989."
*Linda McCartney – Lead vocals, Casio keyboard *Paul McCartney – Hofner bass, Emulator strings, Drums, Electric guitar *Robbie McIntosh – Electric guitar *Steve Johnson – Synth strings, Trumpet, Bass kurzweil *Carla Lane - Spoken verse "Love's Full Glory" – 3:46 *"Recorded 16 July 1980 and October of the same year."
*Linda McCartney – Lead vocals, Piano, Harmony vocal *Paul McCartney – Bass, Drums *Lloyd Green – Pedal steel *Laurence Juber – Acoustic guitar "I Got Up" (L. McCartney, P. McCartney) – 3:19 *"Recorded 11 November 1973 and 20 March and 9 July 1998."
*Linda McCartney – Lead vocals, Backing vocals *Paul McCartney – Bass, Organ, Piano, Backing vocals *Jimmy McCulloch – Guitar *Denny Laine – Backing vocals *Davey Lutton – Drums  "The Light Comes from Within" (L. McCartney, P. McCartney) – 2:57 *"Recorded 18 March 1998, in what turned out to be Linda's final recording session before her death."
*Linda McCartney – Lead vocals, Electric piano *Paul McCartney – Hofner bass, Electric guitar, Piano, Wurlitzer, Electric piano, Backing vocals *James McCartney – Electric guitar, Acoustic guitar "Mister Sandman" (Ballard) – 2:50 *"Recorded in Jamaica at The Black Ark studio on 20 June 1977 and in Scotland in August of the same year."
*Linda McCartney – Lead vocal *Paul McCartney – Electric guitar, vocals *Billy Gardner – Rhythm guitar *Baris Gardner – Bass guitar *Mike "Boo" Richards – Drums *Winston Wright – Keyboard "Seaside Woman" – 3:54 *"Recorded 27 November 1972."
*"Included in a short film by Oscar Grillo that won the Palme d'Or award at the Cannes Film Festival."
*"The first song Linda ever wrote, according to Paul."
*Linda McCartney – Lead vocals, Electric piano, Backing vocals *Paul McCartney – Bass, Backing and Harmony vocals *Denny Laine – Piano, Guitar, Backing vocals *Henry McCullough – Guitar *Denny Seiwell – Drums "Oriental Nightfish" – 2:49 *"Recorded 5 October 1973 during sessions for the Wings album Band on the Run."
*"Included in a short film titled Oriental Nightfish by Linda McCartney and Ian Emes."
*Linda McCartney – Lead vocals, Moog, Electric piano *Paul McCartney – Bass, Drums, Guitar, Mellotron *Denny Laine – Flute "Endless Days" (L. McCartney, Mick Bolton) – 3:11 *"Recorded 21 October 1987."
*Linda McCartney – Lead vocal *Mick Bolton – Piano, Keyboard *Ian Maidman – Bass and Drums *Geoffrey Richardson – Mandolin, Slide guitar "Poison Ivy" (Leiber/Stoller) – 2:54 *"A cover version of the original by The Coasters.
Recorded 21 October 1987."
*Linda McCartney – Lead vocal *Ian Maidman – Bass guitar, Drums, Electric guitar, Backing vocals *Mick Bolton – Piano, Keyboards, Backing vocal *Steve Fletcher – Backing vocals "Cow" (L. McCartney, P. McCartney, Lane) – 4:24 *"Recorded 24 July 1988."
*Linda McCartney - Lead vocals, Casio keyboard, Harmony vocals *Paul McCartney - Hofner bass, Drums, Electric guitar, Harmony vocals *Carla Lane - Spoken verse "B-side to Seaside" (L. McCartney, P. McCartney) – 2:38 *"As the title might suggest, recorded on 16 March 1977 specifically as a B-side for a single featuring "Seaside Woman"."
*Linda McCartney – Lead vocal, Backing vocal *Paul McCartney – Drums, Mellotron, Backing vocals, Electric guitars, Piano, Moog, Congas, Banjo "Sugartime" (Charlie Phillips, Odis Echols) – 2:06 *"A cover version of the original by The McGuire Sisters.
Recorded in Jamaica at The Black Ark studio, 20 June 1977 and 7 July 1998."
*Linda McCartney – Lead vocal *Paul McCartney – Wurlitzer, vocals *Billy Gardner – Rhythm guitar *Baris Gardner – Bass guitar *Mike "Boo" Richards – Drums *Winston Wright – Keyboard "Cook of the House" (P. McCartney) – 2:37 *"Recorded January–February 1976."
*"Originally released in 1976 on the Wings album Wings at the Speed of Sound and also as the B-side to "Silly Love Songs"."
*Linda McCartney – Lead vocal, Piano *Paul McCartney – Upright bass, Mellotron, Piano *Denny Laine – Electric guitar *Joe English – Drums "Appaloosa" – 4:44 *"Recorded 7 March 1998."
*"Inspired by a story about the Nez Perce tribe and their love for horses."
*Linda McCartney – Lead vocal *Paul McCartney – Drums, Hofner bass, Clarinet, Wurlitzer, Acoustic guitar, Electric guitar  
 Paul McCartney – lead and backing vocals, guitar, bass guitar, drums Linda McCartney – backing vocals, keyboards Denny Laine – backing vocals, guitar  
 Rusty Anderson *"Undressing Underwater" (2005) **Paul McCartney contributes bass, backing vocals, and additional electric guitar to "Hurt Myself".
Badfinger *"Magic Christian Music" (1969) **Contains "Come and Get It", which was written and produced by Paul McCartney.
Also, McCartney produced and played piano on "Rock Of All Ages," and produced "Carry On Til Tomorrow."
The Beach Boys *"Smiley Smile" (1967) **The song, "Vegetables" features the sound of McCartney eating raw carrots.
Bonzo Dog Doo Dah Band *(no album) **The song, "I'm the Urban Spaceman" has Paul under the alias of Apollo C. Vermouth.
Elvis Costello *"Spike" (1989) **Contains "Veronica" and "Pads, Paws, and Claws", which were co-written by Paul McCartney.
McCartney also played the bass on "Veronica" and "...
This Town..." Donovan *"Mellow Yellow" (1967) **McCartney played bass guitar (uncredited) on portions of the album.
**McCartney can also be audibly heard cheering and whooping on Donovan's hit single "Mellow Yellow".
*"Barabajagal" (1969) **Contains the song, "Atlantis" which is widely believed to feature the background vocals of Paul McCartney (and on which, according to Harry Castleman and Walter Podrazik's book, "All Together Now", McCartney not only provided the background vocals but also played the tambourine).
It should be noted, however, that McCartney is not listed in the album's credits.
Furthermore, the various works of Mark Lewisohn (such as "The Complete Beatles Chronicles" and "The Beatles Day by Day") fail to mention McCartney's participation on this song.
In fact, according to the album's liner notes, the song was recorded in Los Angeles in November 1968, a month that, according to Lewisohn, McCartney spent mostly at his farm in Scotland.
Allen Ginsberg *"The Ballad of the Skeletons (1996) **Ginsberg recited his poetry to music.
Paul McCartney played guitar, drums, Hammond organ and maracas on the title track.
George Harrison *"Somewhere in England" (1981) **The song, "All Those Years Ago", a tribute to John Lennon, included Paul McCartney on backing vocals and Ringo Starr on drums.
Laurence Juber *"Straight Time" (1982) **The song "Maisie" is performed by Wings, with Paul McCartney on bass, Juber on guitar, Steve Holley on drums and Denny Laine on harmonica.
Denny Laine *"Holly Days" (1977) **Produced by Paul McCartney, who also played most of the backing instruments and sang backing vocals on the album.
*"Japanese Tears" (1980) **Three songs on the album, "Send Me The Heart", "I Would Only Smile", and "Weep For Love", were performed by Wings, with Paul McCartney on bass, keyboards, guitar, percussion and vocals, and McCartney also co-wrote "Send Me the Heart."
Linda McCartney *Wide Prairie" (1998) **An album by McCartney's wife, Linda, which was produced and partially composed by Paul McCartney.
McCartney also played many of the instruments on the album, and some of the tracks featured Wings, including two that were originally attributed to Suzy and the Red Stripes.
Mike McGear *"McGear" (1974) **An album by Paul McCartney's brother Michael, who sang lead vocals with Wings as his backing band.
McCartney produced the album, composed or co-composed most of the tracks, sang harmony vocal on "The Man Who Found God on the Moon", and played bass, guitar and keyboards (although uncredited as a musician).
Steve Miller Band *"Brave New World" (1970) **Paul McCartney (credited as Paul Ramon) played bass, drums, and provides backing vocals to "My Dark Hour".
The Scaffold *"Sold Out" (1975) **Paul McCartney produced and Wings was the backing band on "Liverpool Lou" (with McCartney on bass); McCartney also produced and co-wrote the non-album B-side "Ten Years After on Strawberry Jam", performed by an uncredited Wings, with McCartney on bass and keyboards.
Carly Simon *"No Secrets" (1972) **Paul McCartney provided back-up vocals on "Night Owl".
Super Furry Animals *"Rings Around the World" (2001) **The song, "Receptacle for the Respectable" featured McCartney eating celery.
Ringo Starr *"Sentimental Journey" (1970) **Paul McCartney arranged "Stardust".
*"Ringo" (1973) **Paul McCartney wrote, arranged, played piano and synthesizer, and provided backing vocals on "Six O'Clock" and played kazoo (credited as "mouth sax") on "You're Sixteen".
*"Ringo's Rotogravure" (1976) **Paul McCartney wrote and provided backing vocals to "Pure Gold".
*"Stop and Smell the Roses" (1981) **Paul McCartney wrote, played bass and piano, and lent backing vocals to "Private Property" and "Attention".
*"Vertical Man" (1998) **Paul McCartney played bass, lent backing vocals to "La De Da," "I Was Walking" and "What In The World" and appeared in the music video of "La De Da".
*"Y Not" (2010) **Paul McCartney played bass on "Peace Dream" and, listening to Starr's already finished tracks for the album, spontaneously improvised and recorded harmony vocals for "Walk With You" which were then included to the final version of the song James Taylor *"James Taylor" (1968) **Paul McCartney played bass on "Carolina in My Mind".
*"Walking Man" (1974) **Paul & Linda provided backing vocals on "Rock'n'Roll Is Music Now".
Yusuf Islam *"Roadsinger" (2009) **Paul McCartney sings backup on the song "Boots and Sand," written by Yusuf Islam in response to being denied entry into the United States in 2004 for suspected connections to Hamas, which turned out to be completely false.
They are joined on the track by Dolly Parton.  
 Paul McCartney – lead vocals, guitars (acoustic, electric and bass), keyboards Linda McCartney – backing vocals, keyboards, percussion Hamish Stuart – backing vocals, guitars (acoustic, electric and bass) Robbie McIntosh – backing vocals, electric guitar Paul "Wix" Wickens – backing vocals, keyboards Chris Whitten – drums, percussion  
 Paul McCartney - lead vocals, guitar, bass, drums Linda McCartney - backing vocals