Richard Nixon | Richard Wagner | Richard Strauss | Richard Branson | Cliff Richard | Richard Gere | Richard Burton | Richard Hammond | Richard | Richard Dawkins | Little Richard | Richard Feynman | Richard Attenborough | Richard M. Daley | Richard I of England | Richard Thompson | Richard Francis Burton | Richard Thompson (musician) | Richard Pryor | Richard Linklater | Richard III of England | Richard Petty | Richard II | Richard II of England | Richard E. Byrd | Maurice Richard Arena | John Galliano | Muhal Richard Abrams | Richard Herring | Richard Wright |
Guest musicians include Pierre Barouh, Richard Galliano, and Henri Salvador, who also performs a duet with Lisa on "J'ai Vu".
Michel Herr had the opportunity to play with great American musicians like Joe Lovano, Chet Baker, Lee Konitz, Art Farmer, Joe Henderson, Johnny Griffin, Pepper Adams, Bill Frisell, as well as many top European musicians, such as Palle Mikkelborg, Riccardo Del Fra, Palle Danielsson, Richard Galliano and the best Belgian musicians: Philip Catherine, Steve Houben, Bert Joris and others.
An internationally touring musician, he has recorded with Angelo Debarre and performed with Martin Taylor, The Rosenberg Trio, Paulus Schäfer, Richard Galliano but also celtic traditional musicians Frankie Gavin and Charlie McKerron.