Who has played in more musical projects, Christine McVie or Michael Kiske?
Christine McVie:  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. Michael Kiske:  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.
i don't know