pitchy

adjective3

1. •
   Of, pertaining to, or resembling pitch.
2. •
   Off pitch; out of tune.

   • […] “Auto Tune”—digital voice processing initially designed to correct a “pitchy” (out-of-tune) singer's voice. — 2014
3. •
   Very dark black; pitch-black.

   • In front of me the road became pitchy black as though it was tarred, and I saw a contorted shape lying across the pathway. — 1898