Guilty

Hop 1: John Lennon and Stevie Wonder

both credited on Move Over Miss L. - The (Not So) Lost Weekend (2004) · source

Hop 2: Stevie Wonder and Barbra Streisand

both credited on The Broadway Album (1985, US) · source

Hop 1: John Lennon & Yoko Ono and Billy Preston

both credited on Some Time In New York City (1972, Germany) · source

Hop 2: Billy Preston and Barbra Streisand

both credited on Barbra Joan Streisand (1971, US) · source

Hop 1: Barbra Streisand and Bob Dylan

both credited on The Secret Of Life - Partners Volume Two (2025-06-27, Europe) · source

Hop 2: Bob Dylan and Tom Petty And The Heartbreakers

both credited on Band Of The Hand (1986, Germany) · source

Hop 1: Jamiroquai and Harvey Mason

both credited on Dynamite (2005-06-20, Europe) · source

Hop 2: Harvey Mason and Barbra Streisand

both credited on Streisand Superman (1977, US) · 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: Barbra Streisand and Seal

both credited on The Secret Of Life - Partners Volume Two (2025-06-27, Europe) · source

Hop 2: Seal and Carlos Santana

both credited on Shaman (2002, Russia) · source