For its second SACD, the Dutch ensemble Insomnio is devoting two key works of modernism, firstly Schönberg's "Pierrot lunaire" from 1912 and second Boulez "Le Marteau sans maître". As a bonus, a film on DVD by two Dutch filmmakers who accompanied the Ensemble Insomnio for weeks, rehearsing in Utrecht and Paris with Pierre Boulez and finally being recorded on Deutschlandfunk Cologne.