Foals are an English indie rock band from Oxford, England formed in 2005, consisting of lead vocalist and lead guitarist Yannis Philippakis, drummer and percussionist Jack Bevan, rhythm guitarist Jimmy Smith, bassist Walter Gervers, and keyboardist Edwin Congreave. Since the band's formation, their line-up has remained constant, except for the departure of former lead singer Andrew Mears.
There are clouds outside.
A: It's impossible to say

Bonnie 'Prince' Billy Sings Greatest Palace Music is a 2004 studio album by Bonnie 'Prince' Billy. It features new recordings of songs from his Palace Music era (1993–1997), recorded in Nashville, Tennessee with a large group of country session musicians. Guest musicians include Eddie Bayers, Stuart Duncan, Mark Fain, Mike Johnson, Hargus "Pig" Robbins, Andrew Bird and Bruce Watkins.
Bonnie 'Prince' Billy Sings Greatest Palace Music had at least 7 guest musicians
A: Yes

Joel Rueben Madden (born Joel Rueben Combs; March 11, 1979) is the lead vocalist for the American pop punk band Good Charlotte, as well as a record producer, actor, DJ, and UNICEF Goodwill Ambassador. He is also part of the pop rock collaboration The Madden Brothers with his twin brother Benji Madden.
Joel came forth unto the world one year prior to the beginning of the roaring eighties 
A:
Yes