The documentation examples are showing single property overrides, like so: \override Voice.Stem.thickness = #3.0
Is it possible to override multiple with just one "\override" directive? something like this (wrong syntax): \override { Voice.Stem.thickness = #3.0 Voice.Stem.color = #(rgb-color 0.3 0.1 0.1) } to reduce redundant syntax, if one had to override many at once.