The Go Nads (Orono)
Members Instruments From To
Roy Gould guitar 1964 1965
Rod Brown guitar 1964 1965
Dave Mac Donald guitar 1964 1965

The Nads (Westbrook, Dayton)
Members Instruments From To
Harold (Red) Bruns drums 1967 1971
Stan ??? vocals, acoustic guitar 1967 1969
Dave Mac Donald guitar 1967 1971

The Twilighters (Portland)
Members Instruments From To
Mrs Harold (Red) Bruns vocals, organ 1967 1969
Keith Bangs, aka Spider vocals, guitar 1967 1969
Charlie ??? drums 1967 1969
Reggie Garrison vocals, organ 1969 1969
Dave Mac Donald guitar 1968 1969

The Tidalwaves (Scarborough)
Members Instruments From To
Harld (Red) Bruns drums 1973 1974
Barry Atwood vocals, guitar 1973 1984
Dave Mac Donald guitar, bass, vocals 1973 2011
Sandy Mac Donald drums 1974 1976
Jim LaVelle drums, vocals 1977 1983
Charlie Osgood bass, vocals, guitar 1981 2009
Debbie Heald vocals, keyboard, drums, bass, tambourine, castanet 1983 2011
Keith Gorman drums, vocals 1983 2008
Bill Muller guitar 1988 1990
Abby DiStasio Hutchins vocals, keyboard, cowbell, tambourine 1990 1993
Chris Tanguay guitar, vocals, arranger, bass, keyboard, harmonica 1992 2011
Darren Mac Donald guitar, vocals, tech 1993 2002
Chris Burns guitar 1993 1994
Issac Misiuk drums 2002 2005
Jessica Libby sax, vocals, keyboard 2002 2011
Haley Osgood vocals, keyboard, drums, bongos, xylophone, cowbell 2003 2009
Tom MacDonald guitar, recording engineer 2019 2019

Guests
Members Instruments
Kevin McCutcheon guitar 1986
Keats French vocals, guitar 1982
Tony Blanchard guitar 1984
Dave Babbs guitar 1990
Jim Katsiaficas guitar, vocals 1990