[1] During 1976–1977 he toured the UK with Lee Konitz and Warne Marsh, both students of Tristano and familiar to Ind.

[2] During the next year Cliff toured the UK with Soprano Summit (Kenny Davern and Bob Wilber).

With Simkins he also recorded West Coast Blues (1991) (cassette only), Sippin' at Bell's (1994) and The Music of Tadd Dameron (1996).

[3] He has worked with Harry Allen, Mike Carr, Buddy Childers, Richie Cole, Eddie "Lockjaw" Davis, Phil DeGreg, Georgie Fame, Allan Ganley, Herb Geller, Scott Hamilton, Ken Peplowski, Bucky Pizzarelli, Irene Reid, Spike Robinson, Nina Simone, Lew Tabackin, Warren Vaché and Cedric West.

Cliff has taught at Royal Birmingham Conservatoire, Royal Welsh College of Music & Drama in Cardiff,[3] Trinity College of Music in London, Original UK Jazz Summer School, Jamey Aebersold Summer School in London, and Kristiansand in Norway.