double basses –
Double Bass by Abraham Prescott
(Concord, New Hampshire, circa 1830)
Double Bass by John Juzek  (Prague, Czechoslovakia 1929)
Double Bass (German circa 1890)
Double Bass (German circa 1900)

bows -Bow by Marcel Fatique (Paris)
Bow by L. Morizot (Paris)

electric basses –
5 string electric bass by William Merchant (NYC) www.merchantbass.com
5 string electric bass by Guild
4 string Fender Precision (1966)

strings-
David uses Thomastik bass strings

amplification –
Amplifier by Walter Woods (1979)
Speaker Cabinet by Harry Kolbe
Phat Kat Bass Amp
David endorses Bband Pickups

carriage –
Bass Trunk by Allen Stevenson (UK)
Road Case (electric) by Mr. Roadie

software –
Sibelius music notation program
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