Original sentence: As of January 2009 Powell has become active as an organist in the Roy Powell Organ 4tet.Richard Cook & Brian Morton: The Penguin Guide to Jazz Recordings, 8th Edition, London, Penguin, 2006 ISBN 0-141-02327-9
Edited sentence: As of January 2009 Powell has become active as an organist in the trio Blue Sonic Fuel []lfeaturing Staffan William-Olsson and Andreas Bye