This volume comprises a selection of papers presented at the first International C- ference on Mathematics and Computation in Music - mcm2007. The conference took place at the Staatliches Institut fur Musikforschung PK - National Institute for Music Research in Berlin during May 18-20, 2007 and was jointly organized by the National Institute for Music Research Berlin and the Society of Mathematics and Computation in Music. The papers were selected for the conference by the program committee and classfied into talks and posters. All papers underwent further selection, revision and elaboration...