• Extended Bass With Al Caldwell

  ByAl Caldwell December 1, 2008December 15, 2019

• The Sound (Part Two)

  ByAl Caldwell June 1, 2008December 16, 2019

• The NAMM Show and “THE SOUND”

  ByAl Caldwell April 1, 2008September 13, 2011

• Vertical Bass : Extended Bass With Al Caldwell

  ByAl Caldwell February 1, 2008December 16, 2019

• Expanding your Vocabulary with MIDI: Extended Bass With Al Caldwell

  ByAl Caldwell December 1, 2007December 16, 2019

• I Get It, Extended Bass

  ByAl Caldwell October 1, 2007December 16, 2019

• Why 11 Strings? Why MIDI? by Al Caldwell

  ByAl Caldwell August 1, 2007January 6, 2011