Frank Ricotti (born 31 January 1949, London) is an English jazz vibraphonist and percussionist.

Ricotti played in the National Youth Jazz Orchestra while a teenager, then attended Trinity College of Music (1967-70). He worked with Neil Ardley (1968-71), Dave Gelly, Graham Collier, Mike Gibbs (1969-72), Stan Tracey (1970), Harry Beckett (1970-72), Norma Winstone (1971) and Gordon Beck (1973-74).

In the late 1960s and early 1970s, Ricotti led his own jazz quartet. A line-up featuring the guitarist Chris Spedding, bassist Chris Laurence and drummer Bryan Spring recorded the album Our Point of View, released in July 1969.

In 1971 in partnership with Mike de Albuquerque (bass) he released the album First Wind (as 'Ricotti and Albuquerque').

In the 1980s, he played with Chris Laurence and John Taylor in the group Paragonne, and played with Beck again in 1984. After this he worked primarily as a studio musician. Ricotti has recorded with artists such as Freddie Mercury, The Pet Shop Boys, Swing Out Sister, Belle and Sebastian, Clannad, Barclay James Harvest, Meat Loaf, Elkie Brooks, Rick Wakeman, Tina Turner, Aztec Camera, Thomas Anders, Alphaville and Mark Knopfler.

Anthony 'Tony' Hymas is an English keyboard player, pianist, composer and is well known for being a founding member of Ph.D. He is a very versatile musician and contributes in different styles of music.

Tony Hymas started as a chorister at the Exeter Cathedral and studied piano at the Royal Academy of Music.

He played with Jack Bruce in the Jack Bruce band. He played also with Jeff Beck and Stanley Clarke during their tour in Japan 1987. This led to a long association with Jeff Beck.

His latest work is a compact disc with piano music of Claude Debussy and Erik Satie : Correspondances Erik Satie- Claude Debussy.

Stanley Ernest Sulzmann (b. 30 November 1948, London) is an English jazz saxophonist.

Sulzmann began on saxophone at age 13 and played in Bill Ashton's London Youth Jazz Orchestra, later the National Youth Jazz Orchestra. He studied at the Royal Academy of Music from 1969-1972. In the 1970s he played with the Clarke-Boland Big Band (1971), Mike Gibbs (1971), John Taylor and Kenny Wheeler, Volker Kriegel, Eberhard Weber, Zbigniew Seifert (1973), Phil Woods (1978), Clark Terry (1978), and Gordon Beck. In the 1980s he worked with Gil Evans, (1983), the European Jazz Ensemble (1983), the Hilversum Radio Orchestra, the Hamburg-based NDR Big Band, and the London Jazz Orchestra. Collaborations in the 1990s include with Allan Botschinsky, David Murray (1997), Paul Clarvis (1998), and Bruno Castellucci (1998). Television audiences around the world have heard him as the saxophone soloist in The Belgian Detective, the theme music to ITV's "Poirot", composed by Christopher Gunning.

Sulzmann has held teaching positions at the Guildhall School of Music, the Royal Academy of Music, and Trinity College of Music.