USA. New York state. New York City. JVC Jazz Festival. The Town Hall, 123 West 43rd street, between 6th and 7th avenue. From left to right : French jazz musician Jean-François JENNY-CLARK (double bass) and Hélène LABARRIERE (double bass). Rehearsal and soundcheck of all the musicians for the finale of the evening concerts. The album "9-11 pm Town Hall" produced by Label Bleu will be recorded live during the concerts, and the music will be the soundtrack of the movie "Jazz Français à New York" filmed during the festival. Wednesday, June 29th 1988.