UMS 'n JIP ['umsnjip]. Founded by Ulrike Mayer-Spohn [UMS] and Javier Hagen [JIP], UMS 'n JIP is one of the most active contemporary music ensembles worldwide performing with more than 100 international concerts annually, including mobile chamber operas & multimedia performances. They can look back on more than 600 concerts and 150 commissioned works since 2007.