Philip Glass scored his work 1 + 1 for one player and amplified table top and as the performer determines the duration of the progressions is written for indeterminate length. It was written soon after his return to New Yorkfollowing a period in Europe studying with Nadia Boulanger and sitarist Ravi Shankar and is one of Glass’s earliest published works..American composer Philip Glass is widely known as one of the most celebrated influential andprolific of the modern composers. He is frequently referred to as a minimalist though he prefers to call himself a composer of ‘music with repetitive structures.’ His operas among them the renowned Einstein On The Beach areperformed across the globe and he has created work for small and large ensembles film and experimental theatre and founded his own performing group The Philip Glass Ensemble.