William Parker is a composer, bassist and multi-instrumentalist, an author and educator who has recorded over 40 albums as a leader that feature a range of concepts, and ensembles from solo bass, quartets, sextets, large ensembles such as the Little Huey Creative Music Orchestra, as well as special projects such as The Essence Of Ellington. The Inside Songs of Curtis Mayfield etc. He has composed music for The Wroclaw Symphony Orchestra as well as host of commissions by large and small ensembles.  He has composed music and librettos for numerous multi-media operas such as Trail of Tears, Vision Peace and Battle Cries, Mass for the Healing World in addition to hundreds of pieces of vocal music. All of Parker’s music incorporates his concept of Universal Tonality. They all include improvisational languages and possibilities.