#ARTIST:artist
#TITLE:title
#headers without values get ignored
#same if there is a :
#START:invalid
#END:123junk
#MEDLEYSTARTBEAT:1.2
#MEDLEYENDBEAT:2.6
#BPM:100
#P1:P1
#P2:P2
leading junk
P1
: 0 1 0 first note 
junk before line break
- 4
junk after line break
Z 18 1 0 invalid note kind
: 20 -1 0 invalid duration
: 20.1 -1 0 invalid start
: 20 -1 missing pitch
: 21 1 1

E
trailing junk
