Richard Bona (b,vo)
- interview: May 13 1999 at Welt der Gitarre, Leverkusen/Germany
- published in JAZZ LIFE 09/1999
- interview, live report, photo at the North Sea Jazz Festival/Holland:
- July 15 2000, published in JAZZ LIFE 10/2000
- July 13 2003, published in JAZZ LIFE 09/2003
- July 09 2004, published in JAZZ LIFE 10/2004
- July 15 2006, published in JAZZ BASS 2007 (JAZZ LIFE special issue)
- interview, live report, photo: October 20 2000 at Leverkusener Jazztage
- published in JAZZ LIFE 01/2001
- live report, photo: November 02 2007 at Joe Zawinul’s Birdland
- published in JAZZ LIFE 01/2008
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- CD back cover photo “Bona Makes You Sweat – Live”: November 19, 2006 at Flagy in Brussels, Belgium
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- There are several photographs in the artwork of the CD “Bona Makes You Sweat”. This is the only photograph taken by Reiji Maruyama.
- interview, photo: November 03 2008/Vienna, Austria
- published in JAZZ LIFE 05/2008
- interview, photo: September 16 2009 by Skype
- published in JAZZ LIFE 11/2009