Question: Who has played in more musical projects, Christine McVie or Michael Kiske?

Context paragraphs:
Fleetwood Mac Live: Fleetwood Mac Live is a world tour by the rock group Fleetwood Mac that began on April 4, 2013 in Columbus, Ohio.  66 shows are scheduled across 14 countries in North America and Europe.  The April 18, 2013 stop in Boston, Massachusetts was one of the first major performances given in the city following the Boston Marathon bombings three days earlier.  This tour has also marked the first appearance of Christine McVie with the band since 1998.  She appeared at the last two London O2 Arena shows.  On October 27, the band announced that John McVie had been diagnosed with cancer, and that they were cancelling their New Zealand and Australian performances in order for him to undergo treatment.  On November 22, 2013 Christine McVie stated she would love to rejoin Fleetwood Mac and that John McVie's Progress was really good.  On November 26, 2013 @officialfleetwood mac (Via Instagram) and FleetwoodMac.com announced that Fleetwood Mac is playing 3 last shows for their "Extended Play" tour.  Fleetwood Mac said they would do one public show and two private shows.  The last public show was played on December 30, and the two privates shows were performed from December 31-January 1 and January 8.  At midnight on January 1 Fleetwood Mac performed "Auid Lang Syne" to their private audience.

Christine McVie: Christine Anne Perfect (born 12 July 1943), known professionally as Christine McVie after her marriage to John McVie, is a British singer, keyboardist, and songwriter.  She is best known as the keyboardist and co-lead vocalist of the band Fleetwood Mac, which she joined in 1970 while married to bassist McVie.  She has also released three solo albums.  McVie is known for her smoky, alto vocals and her direct but poignant lyrics, which are mostly concerned with relationships.  AllMusic describes her as an "Unabashedly easy-on-the-ears singer/songwriter, and the prime mover behind some of Fleetwood Mac's biggest hits."  Eight of her songs appeared on Fleetwood Mac's 1988 "Greatest Hits" album.

Friend (Christine McVie song): "Friend" is a 2004 song from Fleetwood Mac's keyboardist/vocalist Christine McVie.  The song was written by McVie, Robbie Patton, George Hawkins, and McVie's nephew Dan Perfect.  The song reached #29 on Billboard's Adult Contemporary Chart in 2004.

Got a Hold on Me: "Got a Hold on Me" is a 1984 song from Fleetwood Mac's keyboardist/vocalist Christine McVie.  The song rose to number 10 on the "Billboard" Hot 100 chart, and it topped the "Billboard" Adult Contemporary and Rock Tracks charts for four and two weeks, respectively.  This was McVie's only top 10 solo hit in the United States.  Synthesizers on the track were played by Steve Winwood, while the guitars were played by Todd Sharp (the song's co-writer) and McVie's Fleetwood Mac bandmate Lindsey Buckingham.  The other musicians were bassist George Hawkins and drummer-percussionist Steve Ferrone.  "Got a Hold on Me" was released as the lead single from McVie's self-titled 1984 solo album.

Todd Sharp: Todd Sharp (born in Cleveland, Ohio) is an American guitarist, singer, songwriter, and founder of Todd Sharp Amplifiers.  He began touring with Hall & Oates in 1975 as their lead guitarist at the age of 19.  He has also toured with Fleetwood Mac's Christine McVie and Mick Fleetwood, Bob Welch, Carlene Carter, David Crosby, Rod Stewart, Delbert McClinton, Bonnie Raitt, and Eric Clapton.  As a solo artist, Sharp released two records "Who Am I" on MCA in 1986 and "Walking All The Way" on Wanna Play Records in 2002.  His songwriting credits include the Top Ten Hit "Got A Hold On Me” with Christine McVie and Juice Newton’s “A Little Love.”  In addition to his performance career, Sharp has been a master of electronics and amplifiers since 1963, opening Nashville Amplifier Service in 1994 performing expert repairs, restorations, and modifications to electric guitar amps.  In 2016, Sharp launched Todd Sharp Amplifiers, with the flagship model the JOAT 20RT receiving the Editors' Pick Award from Guitar Player Magazine.

Lindsey Buckingham/Christine McVie: Lindsey Buckingham/Christine McVie (also referred to as simply Buckingham/McVie) is a studio album by Fleetwood Mac vocalists Lindsey Buckingham and Christine McVie, released on June 9, 2017.  Four of the five members of Fleetwood Mac are featured in the album, with contributions from drummer Mick Fleetwood and bassist John McVie.  Vocalist Stevie Nicks is the sole member absent in the album.  The album sold over 22,000 units in the US in its first week and debuted within the top 20.  It proved to be even more successful in the UK, where it debuted within the top 5.

Michael Kiske: Michael Kiske (born January 24, 1968) is a German singer best known as the lead vocalist for the German power metal band Helloween.  After his departure from the band, Kiske recorded four solo albums, participated on various metal and rock related projects, such as Avantasia, Place Vendome and Kiske/Somerville, while he also performed with numerous bands as a guest vocalist.  In late 2009, he formed the hard rock / heavy metal band Unisonic and began touring again after 17 years of absence.  On November 14, 2016 it was officially announced that Kiske will tour again with Helloween and Kai Hansen in 2017 and 2018.

Say You Will (album): Say You Will is the seventeenth studio album by British-American rock band Fleetwood Mac, released on 15 April 2003.  It was the first Fleetwood Mac album since "Kiln House" in 1970 that did not include tracks written by vocalist/keyboardist Christine McVie, who had left the band in 1998.  It was however the band's first studio album since "Time" was released in 1995.  Members Lindsey Buckingham, Stevie Nicks and John McVie shared keyboard duties for the album, though Christine McVie is featured on two songs which had been originally recorded for an unreleased Lindsey Buckingham solo album (tracks 13 and 14).  It also marks the first album in 16 years to feature Buckingham as a full time member.

Love in Store: "Love in Store" is a song by British-American rock group Fleetwood Mac.  The song is the opening track on the 1982 album "Mirage", the fourth album by the band with Lindsey Buckingham acting as main producer with Richard Dashut and Ken Caillat.  "Love in Store" was written by Christine McVie and Jim Recor and it became the album's third single in the US.  Released in November 1982, it went on to peak at No. 22 for three weeks as the follow-up to Top 20 hits "Hold Me" (No. 4) and "Gypsy" (No. 12).  The song features lead vocals by Christine McVie with prominent vocal harmonies by Stevie Nicks and background vocals by Lindsey Buckingham.

Christine McVie (album): Christine McVie is the second solo album by the British Fleetwood Mac vocalist / keyboardist Christine McVie, released in 1984.

Supporting paragraphs: Christine McVie Michael Kiske
Answer: Michael Kiske