Some recent musical collaborations
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Defiance
RSM

Kjetil Landsgard (vocals), Rainer Willeke (alto saxophone)
Rafal Szewczyk (music, arrangement & all other instruments)

Time Ticking
Ol' Cobs

Matthjis Engbers (vocals, keyboards), Gus Basualdo (drums), Rainer Willeke (tenor saxophone, bg vocals), Tony Wisniewski (bass)

Sunday Afternoon
Ol' Cobs

Matthjis Engbers (vocals, keyboards), Rainer Willeke (tenor saxophone), Tony Wisniewski (bass)

Still, No Rain
Rainer Willeke (feat. Ken Ermter)

Pedro Arbour (drums), Ken Ermter (vocals), Rafal Szewczyk (guitar), Joseph Sixkiller (guitar), Bil Underwood (Bass Guitar), Kim Willeke (bg vocals), Rainer Willeke (vocals, keyboards/synths, guitars, saxophones, percussion)
Lyrics by Rainer Willeke & Ken Ermter