Probably best known for his work with Guru Guru, Neumeier collaborated with numerous bands and artists, such as Dieter Möbius, Damo Suzuki, Harmonia, Hans-Karsten Raecke, Irène Schweizer, Peter Brötzmann, Sonny Sharrock, Uchihashi Kazuhisa, Jojo Hiroshige, Kawabata Makoto, Yoshida Tatsuya, and Luigi Archetti.