Since the release of his CD PoGressions in 1996 Lou's star has been on the rise. He has subsequently appeared on more than 60 new recordings. His nine CDs as a leader, including six by the PoBand, have established him as one of the most versatile, original, and creative drummers working in this idiom.
Lou Grassi has performed and/or recorded with a wide range of outstanding artists, including Marshall Allen, Billy Bang, Borah Bergman, Rob Brown, Roy Campbell, The Copascetics, Jimmy Garrison, Charles Gayle, Burton Greene, Urbie Green, Gunter Hampel, Johnny Hartman, Guenter Heinz, Fred van Hove, Joseph Jarman, Karl Berger, Sheila Jordan, William Parker, Perry Robinson, Roswell Rudd, John Tchicai and Kenny Wessel among others.
He has toured extensively, performing throughout the U.S., Canada, Europe, Central America and Russia. He has been a featured artist at numerous international festivals, including The Vision Festival, NYC, The Texaco New York Jazz Festival, NYC, The Rochester Jazz Festival, Rochester, NY, The Rive de Gier International Jazz Festival, France, Festas Lisboa, Portugal, CAMP 99, Germany, The Guelph Jazz Festival, Canada, Festival Frei Improvisierter Music, Germany, The Hurta Cordel International Festival of Improvised Music, Madrid, Spain, the Ad hoc Music Offen Ohren Festival, Munich, Germany, Jazz ao Centro Festival, Coimbra, Portugal, The Klappstuhlfest, der Ort, Wuppertal, Germany and the WIM Festival of Improvised Music in Antwerp, Belgium. Lou has also performed at Banlieues Bleues Festival, Paris, France; Lueneburg Jazz Nights, Germany; The Bell Atlantic Jazz Festival, NYC, and The International Dixieland Festival of Dresden, Germany, among others.