David Dvorin is an Emmy-nominated composer, arranger, performer, and music producer. He has composed music for films, CD-ROM, and television projects, and has worked with the Kronos Quartet and renowned composer Terry Riley. He is currently composing for concert works. His latest CD release, With(in)communicado, has received critical acclaim and international airplay. In addition to his musical activities, David helped develop the education market for eMagic, Inc. (the original developer of Logic) and Apple Computer. A frequent presenter at music technology conferences, David is a music professor at Sierra College in Northern California.Dvorin, David is the author of 'Apple Pro Training Series', published 2007 under ISBN 9780321502889 and ISBN 0321502884.