Question: Who was the lead singer on the A-side of the record which reached No. 35 on the Billboard Hot 100, and had Thank You Girl as it's B-side ?

Context articles: Love Machine (The Miracles song)
Right Back Where We Started From (album)
Katrina Woolverton
Do You Want to Know a Secret
Danity Kane discography
Omarion
I Don't Want to Be Hurt Anymore
Gemini (El DeBarge album)
Thank You (Boyz II Men song)
Thank You Girl

"Love Machine" is a 1975 single recorded by Motown group The Miracles, taken from their album "City of Angels".
 This song was a #1 Pop smash on the "Billboard Hot 100", and the biggest-selling hit single of The Miracles' career.
 This single was one of two Billboard Hot 100 Top 20 hits recorded by The Miracles with Billy Griffin as lead vocalist; the other is 1973's "Do It Baby".
 Griffin had replaced Miracles founder Smokey Robinson as lead singer in 1972.
 The song features a growling vocal by Miracle Bobby Rogers, with group baritone Ronnie White repeating ""Yeah Baby"" throughout the song.
Right Back Where We Started From is the debut album by British R&B and soul music singer Maxine Nightingale The title track was first released as a single in the autumn of 1975 and reached #8 in the UK .
 In the US it reached #5 in Adult Contemporary, #9 in Dance Music/Club Play, #46 in R&B singles and #2 in the Billboard Hot 100.
 It was the success of this single to which prompted her to return to London to complete a Right Back Where We Started From album.
 The album was released in the US early 1976 to enthusiastic reaction, reaching #65 on the Billboard Hot 100.
 Another single from the album, “Gotta Be the One”, charted at #53 on the Billboard Hot 100.
Katrina Woolverton (born Katrina Abrahemian on August 19, 1977) is an American singer/songwriter and recording artist from Los Angeles, California.
 She rose to fame in 2011 with the release of her debut album "In The Blink Of An Eye" that featured three top charting singles, "Shame on Me" (#1 on iHeartRadio Top 20 On Demand Adult Chart and #46 on the Billboard Hot AC Chart), "OPM" (#26 Billboard Hot Dance) and "So Eden" (Billboard Hot AC Top 50.)
 Katrina was named iHeartRadio's "Artist to Watch in 2011" and was the opening act in the U.S. for Meatloaf during the Mad, Mad World Tour 2012.
 In 2012 and 2013 she released two stand-alone singles, "Watch Me Walk Away" (#43 Billboard Hot AC) the only non-Woolverton composition she has recorded - originally penned by Katy Perry along with co-writers Charlie Midnight and Holly Knight; and "Ready To Love," collaborating with electropop producer/remixer Frankmusik (Vincent Frank) who has worked with Ellie Goulding ("Wish I Stayed"), and many others.
 "Ready To Love" reached #33 on the Billboard Dance/Electronic Song Chart, and the #12 of the Billboard Dance Club Chart.
"Do You Want to Know a Secret?"
 is a song by English rock group the Beatles from the 1963 album "Please Please Me", sung by George Harrison.
 In the United States, it was the first top ten song to feature Harrison as a lead singer, reaching No. 2 on the Billboard chart in 1964 as a single released by Vee-Jay, VJ 587.
The discography of Danity Kane, an American R&B group, consists of two studio album, five singles, and four music videos. Danity Kane were formed in 2005 during the third season of the reality television series "Making the Band", and consisted of Aubrey O'Day, Wanita "D. Woods" Woodgett, Shannon Bex, Dawn Richard, and Aundrea Fimbres.
 The group disbanded in January 2009 during the fourth season of "Making the Band".
 The group released their self titled debut album in August 2006.
 The album reached number one on the United States "Billboard" 200 and was certified platinum by the Recording Industry Association of America (RIAA).
 Danity Kane's debut single, "Show Stopper", which featured rapper Yung Joc, reached number eight on the U.S. "Billboard" Hot 100. "
Ride for You", their second single, reached number 78 on the "Billboard" Hot 100. "
Welcome to the Dollhouse", Danity Kane's second album, was released in March 2008.
 It reached number one on the "Billboard" 200 and was certified gold by the RIAA.
 The album's lead single, "Damaged", reached number ten on the "Billboard" Hot 100 and was certified platinum by the RIAA.
 The group's fifth single, "Bad Girl", featured Missy Elliott and reached number 110 on the "Billboard" Hot 100.
Omari Ishmael Grandberry (born November 12, 1984, known by his stage name Omarion) is an American singer, songwriter, rapper, actor and dancer.
 He is best known as being the lead singer of the American R&B boy band B2K; the group achieved success with singles like "Bump, Bump, Bump", "Uh Huh", and "Girlfriend", which all reached success on the "Billboard" Hot 100.
 After the group's disbandment, Omarion released his debut solo album, "O" (2005), which debuted atop the "Billboard" 200 and received a Grammy Award nomination for Best Contemporary R&B Album at the 48th Grammy Awards.
 His second solo album, "21" (2006), contained his second highest-charting single to date, "Ice Box", which reached the top 20 on the "Billboard" Hot 100.
 His third solo album, "Ollusion" (2010), was released on January 12, 2010, with the lead single, "I Get It In".
 His fourth solo album, "Sex Playlist" (2014), spawned the single, "Post to Be", which was certified 3x platinum and reached number 13 on the Hot 100 chart in May 2015, and became his highest charting single to date.
I Don't Want to Be Hurt Anymore is a 1964 studio album by Nat King Cole, arranged by Ralph Carmichael.
 The album reached #18 on Billboards Top LP chart.
 "I Don't Want to Be Hurt Anymore" b/w "People" was released on Capitol 5155 in 1964 but failed to chart.
 "I Don't Want to See Tomorrow" b/w "L-O-V-E" peaked at #34 on the Billboard Hot 100 on August 19, 1964 on Capitol 5261.
 The B-side peaked at #81 on the Billboard Hot 100 on August 26, 1964.
Gemini is the second album by American R&B singer El DeBarge.
 The album peaked at #35 on the Billboard R&B charts.
 The lead single "Real Love" reached #8 on Billboard's Hot R&B/Hip-Hop Singles & Tracks Chart, as well as #11 on the Billboard Hot Dance Music/Maxi-Singles Sales Chart and #14 on the Billboard Dance Music/Club Play Singles Chart.
 A second single "Somebody Loves You" reached #24 on the Billboard Hot R&B/Hip-Hop Singles & Tracks chart.
"Thank You" is a New jack swing song released by American R&B/soul-singing group, Boyz II Men in 1995.
 "Thank You" was co-produced by Dallas Austin and Boyz II Men, and the song was released as the third single from Boyz II Men's second studio album, "II".
 "Thank You" did not perform as well as its predecessor and reached a peak position of #21 on the US "Billboard" Hot 100 and the Hot Singles Sales on March 18, 1995, and March 25, 1995, respectively, and also reached #17 on the US "Billboard" Hot R&B/Hip-Hop songs.
 "Thank You" performed moderately well in the UK eventually peaking at #26 on the UK Singles Chart.
 "Thank You" also peaked at #17 on the New Zealand RIANZ singles chart, #27 on the French singles chart and #33 on the Australian ARIA Singles Chart.
 The album version of the song consists only of sounds created by the human voice, creating an almost a cappella sound, bringing to mind (and, at one time, quoting) one of their first hit songs, "Motownphilly".
"Thank You Girl" is a song recorded by the Beatles, written by John Lennon and Paul McCartney (Lennon–McCartney), and issued as the B-side of the single "From Me to You", which was recorded on the same day (5 March 1963).
 While not released on an LP in the United Kingdom until "Rarities" in 1978, the song was the second track on "The Beatles' Second Album" in the United States.
 As the B-side of the single "Do You Want to Know a Secret", it hit No. 35 on the "Billboard" Hot 100 in the spring of 1964.