RAVEL ACTION STATEMENTS

accel <deltaMeter> <time>... <stats> atempo # speedup tempo over time
bend	<time> <int>	# multiplied by poff - pitch offset
ccont	<time> <number> <value> # MIDI continiuous controller change
cparam	<moschan> <number> <value> # MIDI c.c. sent to some other channel
cresc <deltaVelocity> <time> ... <stats> end # velocity change up
decr <deltaVelocity> <time> ... <stats> end  # velocity change down
downtempo <int>		# delta meter change slower
dxcparam <moschan> <number> <gindex> <hindex> <value> # dx7 sys.excl parameter
dxparam	<number> <gindex> <hindex> <value> # dx7 sys.excl parameter
final			# end of piece
key	<note constant> # key signature
metro	<int>		# absolute meter change
notes: 
	<note> <time>   # defaults to last constant velocity
	<note> <time> <velocity # normal form
	<note> <time> <velocity> <cents> # fb01 only
	<note> <time>,<duration> <velocity> # duration form
	chord <note>,<note>,... end <time> <velocity>
param	<number> <value> # MIDI cont. controller sans time
patch	<int>		# MIDI patch change
poff	<constant>      # pitch offset - bend multiplier
rest	<time>
rit 	<deltaMeter> <time>... <stats> atempo # slowdown tempo over time
sig	<int> <int>	# time signature
tie	<time>
uptempo	<int>		# delta meter change faster
