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Hop 1: The Rolling Stones and Justin Timberlake

both credited on Toronto Rocks (2003, Canada) · source

Hop 2: Justin Timberlake and Max Martin

both credited on Can't Stop The Feeling! (Original Song From DreamWorks Animation's "Trolls") (2016-05-06, Europe) · source

Hop 3: Max Martin and Adele (3)

both credited on 25 (2015-11-20, Europe) · source

Hop 1: Adele (3) and J Dilla

both credited on The Dilla Ship Podcast (2012, US) · source

Hop 2: J Dilla and A Tribe Called Quest

both credited on The Dilla Ship Podcast (2012, US) · source

Hop 3: A Tribe Called Quest and Elton John

both credited on We Got It From Here... Thank You 4 Your Service (2016-11-18, US) · source

Hop 1: Black Sabbath and Glenn Hughes

both credited on Blackest Sabbath: Black Sabbath 1970-1987 (1989, Europe) · source

Hop 2: Glenn Hughes and Greg Phillinganes

both credited on Feel (1995-08-14, Europe) · source

Hop 3: Greg Phillinganes and Adele (3)

both credited on 25 (2015-11-20, Australia & New Zealand) · source

Hop 1: Adele (3) and Greg Phillinganes

both credited on 25 (2015-11-20, Australia & New Zealand) · source

Hop 2: Greg Phillinganes and Toto

both credited on Falling In Between (2006-02-10, Europe) · source

Hop 1: Kate Bush and Eric Clapton

both credited on And So Is Love (1994-11-07, UK) · source

Hop 2: Eric Clapton and Greg Phillinganes

both credited on August (1986, US) · source

Hop 3: Greg Phillinganes and Adele (3)

both credited on 25 (2015-11-20, Australia & New Zealand) · source

Hop 1: Adele (3) and Greg Phillinganes

both credited on 25 (2015-11-20, Australia & New Zealand) · source

Hop 2: Greg Phillinganes and Quincy Jones

both credited on The Dude (1981, Europe) · source