John Alec Entwistle 9 October 1944 27 June 2002 was an English bass guitarist songwriter singer horn player and film and record producer who was best known as the bass player for the rock band The Who His aggressive lead sound influenced many rock bass players He was inducted into the Rock and Roll Hall of Fame as a member of the Who in 1990 Entwistles lead instrument approach used pentatonic lead lines and a thenunusual trebly sound full treble full volume created by roundwound RotoSound steel bass strings He had a collection of over 200 instruments by the time of his death reflecting the different brands he used over his career Fender and Rickenbacker basses in the 1960s Gibson and Alembic basses in the 1970s Warwick in the 1980s and Status allCarbon fibre basses in the 1990s Description above from the Wikipedia article John Entwistle licensed under CCBYSA full list of contributors on Wikipedia