MThdMTrkS control track creator: GNU LilyPond 2.10.25 XQ/MTrk[CYC@C@C@G@G@JJ@JJ@L@L@K@K@L@L@O@O@JJ@HH@HH@GG@J@J@G@G@E@E@D@D@EE@JJ@CC@E@E@G@G@JJ@JJ@LL@K@K@L@L@JJ@OO@J@J@J@J@JJ@HH@GG@C@C@E@E@CC@/MTrk=Twolit@tle@blackbirds,Sit@ting@on@a@hill,OnenamedJack,And@the@oth@er@namedJill;Flya@way@JackAndflya@way@Jill;Comea@gain@JackAndcomea@gain@Jill./