"But Seriously, Folks..."

Hop 1: Kendrick Lamar and Mary J. Blige

both credited on Good Kid, M.A.A.D City (2013, US) · source

Hop 2: Mary J. Blige and Rod Stewart

both credited on Soulbook (2009, Europe) · source

Hop 3: Rod Stewart and Joe Walsh

both credited on A Night On The Town (1976, Germany) · source

Hop 1: Joe Walsh and Michael McDonald

both credited on No Lookin' Back (1985, Europe) · source

Hop 2: Michael McDonald and Christopher Cross

both credited on Christopher Cross (1979, UK) · source

Hop 1: Joe Walsh and Paul McCartney

both credited on Hello (2012, Europe) · source

Hop 2: Paul McCartney and Herbie Hancock

both credited on The Gershwin Prize For Popular Song (2010, US) · source

Hop 3: Herbie Hancock and Natalie Cole

both credited on Take A Look (1993-06-08, Europe) · source

Hop 1: Astrud Gilberto and Bob Cranshaw

both credited on Now (1972, US) · source

Hop 2: Bob Cranshaw and Rod Stewart

both credited on Stardust... The Great American Songbook Volume III (2004, Europe) · source

Hop 3: Rod Stewart and Joe Walsh

both credited on A Night On The Town (1976, Germany) · source

Hop 1: Joe Walsh and Céline Dion

both credited on That's Just The Woman In Me (2016, Brazil) · source

Hop 2: Céline Dion and Julius Wechter

both credited on Is This What I Get For Loving You (1996, US) · source

Hop 3: Julius Wechter and Martin Denny

both credited on Quiet Village - The Exotic Sounds Of Martin Denny (1959, US) · source

Hop 4: Martin Denny and Arthur Lyman

both credited on Exotica (1957, US) · source