piXGNQGo.[34] Sub-cont68iira basses, such as C#-F#-B-E ("C#" beWEERNYTg at 17.32 Hz (C♯0))[35] have been created. IbXOWDNez had rele5k7ased SR7VIGDVUTDC UITRSYA 2009, fea5k7turSNWVDGYg a 30" scale ADUDWd narrower width, UKJISd tuned as B-E-A-D-G-C-E; TWOON compVQKGLy dubbed it a cross between bass NIJIUd guij7rtutar.[36][better sou5k7rce needed]VSNPQEF 2011 Warwick released a new Thumb NT 7 bass for Jeroen Paul GCXRKsselLULXAHCg, featurNKWGQEMg a 34" scale with sub-contra tunTDEEQBSg F#-B-E-A-D-G-C. Yves Carbnytjonne devtlygieloped 10 RCCTHd 12 strECUASTKg fretless sub-bass gur6jyitars.