Add a 4-bar ROCK FLUTE track in the following composition:
PIECE_START TIME_SIGNATURE=4_4 GENRE=ROCK KEY=G BPM=104 CP=Gmaj7_Em7 BARLENGTH=4 INSTLIST=0_25_74_33_91 TRACK_START INST=0 DENSITY=0 BAR_START BAR_END BAR_START BAR_END BAR_START BAR_END BAR_START BAR_END TRACK_END TRACK_START INST=25 DENSITY=3 BAR_START NOTE_ON=78 TIME_DELTA=2.0 NOTE_OFF=78 NOTE_ON=74 TIME_DELTA=2.0 NOTE_OFF=74 NOTE_ON=71 TIME_DELTA=2.0 NOTE_OFF=71 NOTE_ON=81 TIME_DELTA=2.0 NOTE_OFF=81 NOTE_ON=78 TIME_DELTA=2.0 NOTE_OFF=78 NOTE_ON=74 TIME_DELTA=2.0 NOTE_OFF=74 NOTE_ON=86 TIME_DELTA=4.0 NOTE_OFF=86 BAR_END BAR_START NOTE_ON=86 TIME_DELTA=2.0 NOTE_OFF=86 NOTE_ON=81 TIME_DELTA=2.0 NOTE_OFF=81 NOTE_ON=78 TIME_DELTA=2.0 NOTE_OFF=78 NOTE_ON=74 TIME_DELTA=2.0 NOTE_OFF=74 NOTE_ON=78 TIME_DELTA=2.0 NOTE_OFF=78 NOTE_ON=74 TIME_DELTA=2.0 NOTE_OFF=74 NOTE_ON=71 TIME_DELTA=4.0 NOTE_OFF=71 BAR_END BAR_START NOTE_ON=78 TIME_DELTA=2.0 NOTE_OFF=78 NOTE_ON=74 TIME_DELTA=2.0 NOTE_OFF=74 NOTE_ON=71 TIME_DELTA=2.0 NOTE_OFF=71 NOTE_ON=81 TIME_DELTA=2.0 NOTE_OFF=81 NOTE_ON=78 TIME_DELTA=2.0 NOTE_OFF=78 NOTE_ON=74 TIME_DELTA=2.0 NOTE_OFF=74 NOTE_ON=86 TIME_DELTA=4.0 NOTE_OFF=86 BAR_END BAR_START NOTE_ON=86 TIME_DELTA=2.0 NOTE_OFF=86 NOTE_ON=81 TIME_DELTA=2.0 NOTE_OFF=81 NOTE_ON=78 TIME_DELTA=2.0 NOTE_OFF=78 NOTE_ON=74 TIME_DELTA=2.0 NOTE_OFF=74 NOTE_ON=78 TIME_DELTA=2.0 NOTE_OFF=78 NOTE_ON=74 TIME_DELTA=2.0 NOTE_OFF=74 NOTE_ON=71 TIME_DELTA=4.0 NOTE_OFF=71 BAR_END TRACK_END TRACK_START INST=33 DENSITY=1 BAR_START NOTE_ON=43 TIME_DELTA=6.0 NOTE_OFF=43 NOTE_ON=43 TIME_DELTA=6.0 NOTE_OFF=43 NOTE_ON=43 TIME_DELTA=4.0 NOTE_OFF=43 BAR_END BAR_START NOTE_ON=43 TIME_DELTA=2.0 NOTE_OFF=43 NOTE_ON=43 TIME_DELTA=6.0 NOTE_OFF=43 NOTE_ON=43 TIME_DELTA=4.0 NOTE_OFF=43 NOTE_ON=38 TIME_DELTA=4.0 NOTE_OFF=38 BAR_END BAR_START NOTE_ON=36 TIME_DELTA=6.0 NOTE_OFF=36 NOTE_ON=38 TIME_DELTA=6.0 NOTE_OFF=38 NOTE_ON=40 TIME_DELTA=4.0 NOTE_OFF=40 BAR_END BAR_START NOTE_ON=40 TIME_DELTA=2.0 NOTE_OFF=40 NOTE_ON=43 TIME_DELTA=6.0 NOTE_OFF=43 NOTE_ON=45 TIME_DELTA=4.0 NOTE_OFF=45 NOTE_ON=38 TIME_DELTA=4.0 NOTE_OFF=38 BAR_END TRACK_END TRACK_START INST=91 DENSITY=1 BAR_START NOTE_ON=66 NOTE_ON=62 NOTE_ON=59 TIME_DELTA=16.0 NOTE_OFF=66 NOTE_OFF=62 NOTE_OFF=59 BAR_END BAR_START NOTE_ON=66 NOTE_ON=62 NOTE_ON=59 TIME_DELTA=10.0 NOTE_ON=69 TIME_DELTA=2.0 NOTE_OFF=66 NOTE_OFF=62 NOTE_ON=62 TIME_DELTA=2.0 NOTE_OFF=62 NOTE_ON=66 TIME_DELTA=2.0 NOTE_OFF=59 NOTE_OFF=69 NOTE_OFF=66 BAR_END BAR_START NOTE_ON=67 NOTE_ON=64 NOTE_ON=59 TIME_DELTA=16.0 NOTE_OFF=67 NOTE_OFF=64 NOTE_OFF=59 BAR_END BAR_START NOTE_ON=59 TIME_DELTA=10.0 NOTE_ON=69 TIME_DELTA=6.0 NOTE_OFF=59 NOTE_OFF=69 BAR_END TRACK_END PIECE_END
TRACK_START INST=74 DENSITY=3 BAR_START NOTE_ON=78 TIME_DELTA=2.0 NOTE_OFF=78 NOTE_ON=74 TIME_DELTA=2.0 NOTE_OFF=74 NOTE_ON=71 TIME_DELTA=2.0 NOTE_ON=81 TIME_DELTA=2.0 NOTE_OFF=81 NOTE_ON=78 TIME_DELTA=2.0 NOTE_OFF=78 NOTE_ON=74 TIME_DELTA=1.0 NOTE_OFF=71 TIME_DELTA=1.0 NOTE_ON=86 TIME_DELTA=4.0 NOTE_OFF=74 NOTE_OFF=86 BAR_END BAR_START NOTE_ON=86 NOTE_ON=74 TIME_DELTA=1.0 NOTE_OFF=74 TIME_DELTA=1.0 NOTE_ON=81 TIME_DELTA=2.0 NOTE_OFF=81 NOTE_ON=78 TIME_DELTA=2.0 NOTE_OFF=78 NOTE_ON=74 TIME_DELTA=1.0 NOTE_OFF=86 TIME_DELTA=1.0 NOTE_OFF=74 NOTE_ON=78 TIME_DELTA=2.0 NOTE_OFF=78 NOTE_ON=74 TIME_DELTA=2.0 NOTE_OFF=74 NOTE_ON=71 TIME_DELTA=4.0 NOTE_OFF=71 BAR_END BAR_START NOTE_ON=78 TIME_DELTA=2.0 NOTE_OFF=78 NOTE_ON=74 TIME_DELTA=2.0 NOTE_OFF=74 NOTE_ON=71 TIME_DELTA=2.0 NOTE_ON=81 TIME_DELTA=2.0 NOTE_OFF=81 NOTE_ON=78 TIME_DELTA=2.0 NOTE_OFF=78 NOTE_ON=74 TIME_DELTA=1.0 NOTE_OFF=71 TIME_DELTA=1.0 NOTE_ON=86 TIME_DELTA=4.0 NOTE_OFF=74 NOTE_OFF=86 BAR_END BAR_START NOTE_ON=86 NOTE_ON=74 TIME_DELTA=1.0 NOTE_OFF=74 TIME_DELTA=1.0 NOTE_ON=81 TIME_DELTA=2.0 NOTE_OFF=81 NOTE_ON=78 TIME_DELTA=2.0 NOTE_OFF=78 NOTE_ON=74 TIME_DELTA=1.0 NOTE_OFF=86 TIME_DELTA=1.0 NOTE_ON=78 TIME_DELTA=2.0 NOTE_OFF=78 NOTE_ON=74 TIME_DELTA=2.0 NOTE_OFF=74 NOTE_ON=71 TIME_DELTA=1.0 NOTE_OFF=74 TIME_DELTA=3.0 NOTE_OFF=71 BAR_END TRACK_END