Translation: Astor Piazzolla. Piano sheet music. 1921-1992. For Piano, Bandoneon. Published by Tonos Music. TO.20063. ISBN M-2015-0105-5.
Translation: Milonga at a and lower. Ballad For A Fool. Album No. 3 composed by Astor Piazzolla. 1921-1992. For piano. QM.MEL-31086.
Translation: â As I was finishing the work I asked David if I could have a percussionist.