sentences:  In 2007 he founded, with his friend and colleague John Howland, a journal, also called Jazz Perspectives.Among many other projects, he was the founding editor of an online Encyclopedia of Jazz Musicians which was active from about 2000 through about 2010, but no longer exists.He frequently appears as a guest on NPR, WNYC, BBC and WBGO, as well as on visual media such as BET and documentary films such as "Chasing Trane", among others.