The Unforgettable Fire

Hop 1: Joe Cocker and Wally Badarou

both credited on Sheffield Steel (1982-05-22, France) · source

Hop 2: Wally Badarou and U2

both credited on Four Wild Irish Roses (Part 2) (1996, Czech Republic) · source

Hop 1: U2 and Apoptygma Berzerk

both credited on Sonic Diary (2006-12-01, Europe) · source

Hop 2: Apoptygma Berzerk and Metallica

both credited on Sonic Diary (2006-12-01, Europe) · source

Hop 1: Harry Nilsson and Stevie Wonder

both credited on John, Paul, Ringo, Harry (Scatalogue-Son of Dracula and Pussy Cats) (2011) · source

Hop 2: Stevie Wonder and U2

both credited on Tracks Vol. III (2001, Japan) · source

Hop 1: U2 and Carlos Santana

both credited on Covering Them (1992, Italy) · source

Hop 2: Carlos Santana and Alice Coltrane

both credited on Divine Light (2001, Europe) · source