current_synth_defaults
Returns the current synth defaults. This is a map of synth arg names to either values or functions.
Introduced in v2.0
use_synth_defaults amp: 0.5, cutoff: 80 play 50 puts current_synth_defaults
# Plays note 50 with amp 0.5 and cutoff 80 #=> Prints {amp: 0.5, cutoff: 80}