On "Spiral", "Laverne", and "The Message"; Andrew Hill, piano; Lee Konitz, soprano, alto and tenor saxophones; Ted Curson, trumpet. flugelhorn and piccolo trumpet; Cecel McBee, bass; Art Lewis, drums.
"Invitation" is a duet by Hill and Kontiz.
On remaining titles; Andrew Hill, piano; Robin Kenyatta, alto saxophone; Staford James, bass; Barry Altschul, drums.
All compositions by Andrew Hill, Laverne Music BMI, except "Invitation" by Paul Francis Webster and Bronislaw Kaper, Robbins Music Corp, ASCAP
Cover Art: Frank Roth