I'm searching the arrangements of Piazzolla for two free bass accordions by Ari-Matti Saira & Krzysztof Olczak. I know there is a book with the arrangements:
-Close your eyes and listen
-Adios Nonino
-Cite' Tango
-Coral
This is a demo
-Close your eyes and listen
-Adios Nonino
-Cite' Tango
-Coral
This is a demo