tonelessness

toneless +‎ -ness

tonelessness (uncountable)

1. The state or condition of being toneless.
   • 2007 February 11, Stephen Metcalf, “Informal Menace”, in New York Times‎:

     So much menace, so much studied tonelessness and unmusicality — and on the part of so young a virtuoso — is disturbing, to say the least, and it comes a relief when he lays it aside.

• notelessness