Johannes Reinhuber is a producer, recording engineer, composer, violinist, and pianist from Frankfurt, Germany. 

While doing his B.A. in Systematic Musicology at the University of Hamburg, and working at Peermusic, the world’s biggest independent music publisher, he co-founded the experimental HipHop duo Two Regular Dudes, and later released solo projects under the moniker John Calvelli.

At Berklee College of Music Johannes founded the Berklee Collaboration Platform (BCP), a student organization that connects Berklee artists with artists from all over the world in order to create international collaboration projects. The BCP has hosted several shows every year to showcase handpicked Berklee talent.

Recently, Johannes put his main focus on his original compositions, and his collaborations with other artists taking on the role of a producer and engineer.