Roots of Chet Baker

Declan Patrick MacManus, known professionally as Elvis Costello, is an English singer, songwriter, record producer, author, and television host. According to Rolling Stone, Costello "reinvigorated the literate, lyrical traditions of Bob Dylan and Van Morrison with the raw energy and sass that were principal ethics of punk", noting the "construction of his songs, which set densely layered wordplay in an ever-expanding repertoire of styles". He is the recipient of numerous accolades, including two Grammy Awards and two Ivor Novello Awards, and was inducted into the Rock and Roll Hall of Fame in 2003 and into the Songwriters Hall of Fame in 2016.

John Alfred Mandel was an American composer, multi-instrumentalist, and arranger of popular songs, film music and jazz. The musicians he worked with include Count Basie, Frank Sinatra, Peggy Lee, Anita O'Day, Barbra Streisand, Tony Bennett, Diane Schuur and Shirley Horn. He won five Grammy Awards, from 17 total nominations; his first nomination was for his debut film score for the multi-nominated 1958 film I Want to Live!. In 2011, he was named a Jazz Master by the National Endowment for the Arts.

James Peter Giuffre was an American jazz clarinetist, saxophonist, composer, and arranger. He is known for developing forms of jazz which allowed for free interplay between the musicians, anticipating forms of free improvisation.