Gonsalves, P. and Ellington, D. (2014) “Interlude score (Diminuendo and crescendo in blue): improvisation by Paul Gonsalves”, Per Musi, (29), pp. 1–4. Available at: https://periodicos.ufmg.br/index.php/permusi/article/view/39651 (Accessed: 2 May 2024).