Jaco’s Word of Mouth big band recorded live in concert in Japan in 1982. Invitation was the U.S. release through Warner Bros., which included 9 tracks. A Japanese 2-LP release (Twins I & II) contained 13 tracks. Both are available as re-issues today.
In 1981, while still with Weather Report, Jaco created the Word of Mouth Big Band, featuring Toots Thielemans on harmonica as well as an all-star cast made up of Herbie Hancock, Wayne Shorter, Peter Erskine, Jack DeJohnette, Michael Brecker, Don Alias, and others.