Time signatures
Appearance
Time signature indicates the metrum of a piece: a regular pattern of strong and weak beats. It is denoted by a fraction at the start of the staff.
The time signature is set with the \time command
\version "2.24.0"
%% http://lsr.di.unimi.it/LSR/Item?id=176
{
\time 2/4 c'2
\time 3/4 c'2.
}