A Collection of Beatles Oldies (Mono)
LP • Released in 1966
2:18 • Studio version • A • Mono
Paul McCartney : Backing vocals, Bass Ringo Starr : Drums, Tambourine John Lennon : Rhythm guitar, Vocals George Harrison : Backing vocals, Lead guitar George Martin : Producer Norman Smith : Recording engineer
SessionRecording : Apr 13, 1965 • Studio : EMI Studios, Studio Two, Abbey Road
SessionRecording : Apr 18, 1965 • Studio : EMI Studios, Room 65, Abbey Road
SessionMixing : Jun 18, 1965 • Studio : EMI Studios, Studio Two, Abbey Road
LP • Released in 1965
2:20 • Studio version • A • Mono
Paul McCartney : Backing vocals, Bass Ringo Starr : Drums, Tambourine John Lennon : Rhythm guitar, Vocals George Harrison : Backing vocals, Lead guitar George Martin : Producer Norman Smith : Recording engineer
SessionRecording : Apr 13, 1965 • Studio : EMI Studios, Studio Two, Abbey Road
SessionMixing : Apr 18, 1965 • Studio : EMI Studios, Room 65, Abbey Road
SessionMixing : Jun 18, 1965 • Studio : EMI Studios, Studio Two, Abbey Road
7" Single • Released in 1985
2:21 • Studio version • A
Paul McCartney : Backing vocals, Bass Ringo Starr : Drums, Tambourine John Lennon : Rhythm guitar, Vocals George Harrison : Backing vocals, Lead guitar George Martin : Producer Norman Smith : Recording engineer
SessionRecording : Apr 13, 1965 • Studio : EMI Studios, Studio Two, Abbey Road
SessionRecording : Apr 18, 1965 • Studio : EMI Studios, Room 65, Abbey Road
SessionMixing : Jun 18, 1965 • Studio : EMI Studios, Studio Two, Abbey Road
Help! / I'm Down (UK - Picture disc - 1985)
7" Single • Released in 1985
2:21 • Studio version • A
Paul McCartney : Backing vocals, Bass Ringo Starr : Drums, Tambourine John Lennon : Rhythm guitar, Vocals George Harrison : Backing vocals, Lead guitar George Martin : Producer Norman Smith : Recording engineer
SessionRecording : Apr 13, 1965 • Studio : EMI Studios, Studio Two, Abbey Road
SessionRecording : Apr 18, 1965 • Studio : EMI Studios, Room 65, Abbey Road
SessionMixing : Jun 18, 1965 • Studio : EMI Studios, Studio Two, Abbey Road
7" Single • Released in 1965
2:21 • Studio version • A
Paul McCartney : Backing vocals, Bass Ringo Starr : Drums, Tambourine John Lennon : Rhythm guitar, Vocals George Harrison : Backing vocals, Lead guitar George Martin : Producer Norman Smith : Recording engineer
SessionRecording : Apr 13, 1965 • Studio : EMI Studios, Studio Two, Abbey Road
SessionRecording : Apr 18, 1965 • Studio : EMI Studios, Room 65, Abbey Road
SessionMixing : Jun 18, 1965 • Studio : EMI Studios, Studio Two, Abbey Road
Official album • Released in 1980
2:20 • Studio version • A • Mono • With different vocals than the stereo LP; available on The Beatles in Mono
Paul McCartney : Backing vocals, Bass Ringo Starr : Drums, Tambourine John Lennon : Rhythm guitar, Vocals George Harrison : Backing vocals, Lead guitar George Martin : Producer Norman Smith : Recording engineer
SessionRecording : Apr 13, 1965 • Studio : EMI Studios, Studio Two, Abbey Road
SessionMixing : Apr 18, 1965 • Studio : EMI Studios, Room 65, Abbey Road
SessionMixing : Jun 18, 1965 • Studio : EMI Studios, Studio Two, Abbey Road
Details & description coming from Wikipedia