Question: What Led Zeppelin guitarist contributed to a tribute album to Rainer Ptacek?

Context articles: As Live as It Gets
Great Zeppelin: A Tribute to Led Zeppelin
Naked Prey
Led Zeppelin covers and tributes
Led Zeppelin II
Pickin' on Led Zeppelin, Vol. 1–2
Rainer Ptacek
Jimmy Page
Encomium: A Tribute to Led Zeppelin
Led Zeppelin discography

As Live As It Gets is the third release and first live album by English heavy metal band Blaze Bayley, then known as Blaze, released in 2003.
 It features mostly the band's original material, though they also play some Iron Maiden and Wolfsbane covers, as lead singer Blaze Bayley used to be in both bands.
 The band also covers the Led Zeppelin track "Dazed and Confused", which appeared earlier as a studio track on the Led Zeppelin tribute album ""The Music Remains The Same"".
Great Zeppelin: A Tribute to Led Zeppelin is a cover album released by the American hard rock band Great White in 1998, dedicated to songs of Led Zeppelin.
 It was recorded live in a concert that took place at The Galaxy Theatre of Santa Ana, California, USA, in December 1996 and released by the French label Axe Killer.
 The American edition was issued by Deadline Records in 1999.
 Deadline Records also issued a very rare vinyl version of the album in 1999, omitting 4 tracks due to time limitations of vinyl.
 Songs from this album appear on many compilations and also on re-issues of older albums as bonus tracks.
 The album was re-issued in 2005 by the Canadian label Legacy, with the title Great White Salutes Led Zeppelin.
 The entire album appears also on Great White's double-CD compilation "A Double Dose" issued by Deadline Music in 2005, along with the album of covers "Recover".
Naked Prey was an American rock band from Tucson, Arizona.
 United States, which was formed in 1982 by the former Green on Red drummer Van Christian and David Seeger, who had been in the original line-up of the Giant Sandworms (who later became Giant Sand) as well as The Pedestrians, a band credited with having performed the first punk rock show in Tucson.
 Other artists who recorded or performed with the band included members of Green on Red and the Sand Rubies, John Convertino and Joey Burns, later of Calexico, Chuck Prophet, Rainer Ptacek and longtime drummer Tommy Larkins, who currently plays with Jonathan Richman, famously appearing with him as half of the two-man Greek chorus in "There's Something About Mary".
 Christian himself also performed with The Band of Blacky Ranchette (an occasional project of Giant Sand's Howe Gelb) and was in the original lineup of The Friends of Dean Martinez.
Led Zeppelin songs have been the subject of cover versions on occasion; American band Dread Zeppelin have made a career out of covering and parodying Zeppelin tunes.
 However, other serious and authentic-sounding tribute bands have also emerged, striving to keep the true essence of a Led Zeppelin live show experience alive such as the Brazilian "Led Brazil" and Swan Song - A Tribute to Led Zeppelin, In the Light, and the British band Fred Zeppelin, who are based in the Black Country homeland of Plant and Bonham and have been seen by Robert Plant several times.
 Lez Zeppelin is also an all-female tribute act, performing the work of Led Zeppelin.
Led Zeppelin II is the eponymous second studio album by the English rock band Led Zeppelin, released on 22 October 1969 in the United States and on 31 October 1969 in the United Kingdom by Atlantic Records.
 Recording sessions for the album took place at several locations in both the United Kingdom and North America from January to August 1969.
 The album's production was credited to the band's lead guitarist and songwriter Jimmy Page, and it also served as Led Zeppelin's first album to utilise the recording techniques of the engineer Eddie Kramer.
 Incorporating several elements of blues and folk music, "Led Zeppelin II" exhibited the band's evolving musical style of blues-derived material and their guitar riff-based sound.
 It has been described as the band's heaviest album.
Pickin' on Led Zeppelin, Vol.
 1–2 is a 2003 two-volume tribute album to Led Zeppelin consisting of twenty-one of their songs replayed in a bluegrass style, as well as an original composition by David West entitled "Jed Zeppelin".
 It is a part of the "Pickin' On…" series.
Rainer Ptacek (a.k.a. Rainer; June 7, 1951 – November 12, 1997) was a Tucson, Arizona-based American guitarist and singer-songwriter.
 His guitar technique, which incorporated slide, finger-picking, tape loops and electronic manipulation, earned him admiration of some notable musicians such as Robert Plant and Billy Gibbons.
 A tribute album to Ptacek, "The Inner Flame", included contributions by Plant, Jimmy Page, PJ Harvey, Emmylou Harris and others, and was indicative of his reputation as a "musician's musician".
 He was diagnosed with a brain tumor in early 1996 and died nearly two years later, after the illness recurred.
James Patrick Page, {'1': ", '2': ", '3': ", '4': "} (born 9 January 1944) is an English musician, songwriter, and record producer who achieved international success as the guitarist and founder of the rock band Led Zeppelin.
Encomium: A Tribute to Led Zeppelin is a tribute album by various artists dedicated to Led Zeppelin, released by Atlantic Records on March 14, 1995.
 Many of the appearing artists were signed to Atlantic or an affiliate at the time of the release.
The discography of the English rock band Led Zeppelin consists of nine studio albums, four live albums, nine compilation albums, 16 singles and eight music downloads. Formed in London in 1968, the group consisted of guitarist Jimmy Page, singer Robert Plant, bass player John Paul Jones, and drummer John Bonham.
 The band pioneered the concept of album-oriented rock and often refused to release popular songs as singles.
 Nevertheless, four of their ten songs that reached the Hot 100 had no mention of the title in the lyrics: "Immigrant Song", "Black Dog", "Over the Hills and Far Away", "D'yer Mak'er".
 Their debut album, "Led Zeppelin" (1969), released by Atlantic Records, charted at number six on the UK Albums Chart and at number ten on the United States "Billboard" 200.
 It received several sales certifications, including an 8 times multi-platinum from the Recording Industry Association of America (RIAA) and Diamond from the Music Canada.
 Led Zeppelin's second studio album, "Led Zeppelin II", recorded when the band were on tour, was released a few months after the first.
 It reached number one in several countries, including the UK and the US, where it was certified 12 times multi-platinum.
 The album produced Led Zeppelin's most successful single, "Whole Lotta Love", which peaked at several music charts in the top 10. "
Led Zeppelin III" (1970) was a softer, more folk-based effort compared to the hard rock of the band's previous releases.
 It also peaked at number one in the UK and in the US.