1989

Hop 1: Tom Petty And The Heartbreakers and Elton John

both credited on Dick Clark Presents Elton John (1983, US) · source

Hop 2: Elton John and Mary J. Blige

both credited on One Night Only · source

Hop 3: Mary J. Blige and Taylor Swift

both credited on Believe Or Not (2012-02-11, Greece) · source

Hop 1: Taylor Swift and The Rolling Stones

both credited on 50 & Counting Tour 2012-2013 Are Ya Feelin Good (2013, Japan) · source

Hop 2: The Rolling Stones and Carlos Santana

both credited on The Missing Jewels (2001, Europe) · source

Hop 1: Barbra Streisand and Mary J. Blige

both credited on A Mary Christmas (2013-10-15, US) · source

Hop 2: Mary J. Blige and Taylor Swift

both credited on Believe Or Not (2012-02-11, Greece) · source

Hop 1: Taylor Swift and B.B. King

both credited on Fearless (2009, Russia) · source

Hop 2: B.B. King and Derek & The Dominos

both credited on Let's Play Domino (2010-06-07, Europe) · source

Hop 1: John Lennon and The Rolling Stones

both credited on Through The Past, Darkly (Big Hits Vol. 2) (1969, Greece) · source

Hop 2: The Rolling Stones and Taylor Swift

both credited on 50 & Counting Tour 2012-2013 Are Ya Feelin Good (2013, Japan) · source

Hop 1: John Lennon & Yoko Ono and Eric Clapton

both credited on Some Time In New York City (1987, Europe) · source

Hop 2: Eric Clapton and Mary J. Blige

both credited on Give Me You (2000-05-00, UK & Europe) · source

Hop 3: Mary J. Blige and Taylor Swift

both credited on Believe Or Not (2012-02-11, Greece) · source