Bar / Measure 'distance in time', between one bar line and the next (Americans call a bar a Measure).
The lines are the vertical strokes showing where the first pulse occurs in the new bar.
Bar Lines / Measure Lines Bar lines divide music in bars. Each bar has the number of beats indicated by the Time Signature. The first beat after the Bar-Line is usually the strongest beat in the Bar. (see double bar line)
Barbaro Barbarous, ferocious, wild
Baritone Voices and instruments halfway between tenor and bass.
Double Bar Line A double bar line are two vertical lines that marks the end of a piece of music, or the end of a repeat. It can also mark the end of a section of music, a change of key or a change of time signature.
