Definitions for "Double flat"
a musical notation of two flats in front of a note indicating that it is to be lowered by two semitones
a symbol that lowers the pitch or pitch class two half steps.
A symbol written to the left of the note head, which lowers the pitch by a whole step. It is double the effect of a single flat. The symbol looks like two flats connected.
Keywords:  musicians, duplex, apartment
Duplex apartment for musicians.
a diminished sixth, but to the listener, the two intervals played on a modern piano, sound identical