The Argentinian composer Alberto Ginastera was born 100 years ago this month. Tom Service discovers more about his life and music with the pianist Clara Rodriguez, the conductor Juanjo Mena who is an advocate for Ginastera's music, and the American academic Deborah Schwartz-Kates who is determined to put Ginastera back on the musical map. Tom talks to the composer Michael Finnissy on the occasion of his 70th birthday, about his attitude to life and his absolute belief that music has meaning in connection with the wider world. Plus an exploration of the sustainability of African Blackwood sources for woodwind instruments.