Add a 4-bar ROCK ELECTRIC GRAND PIANO track in the following composition:
PIECE_START TIME_SIGNATURE=4_4 GENRE=ROCK KEY=A BPM=68 CP=Amaj7_B_D6 BARLENGTH=4 INSTLIST=DRUMS_125_30_3_35 TRACK_START INST=DRUMS DENSITY=4 BAR_START NOTE_ON=35 NOTE_ON=42 NOTE_ON=46 NOTE_ON=49 NOTE_ON=38 TIME_DELTA=2.0 NOTE_ON=35 TIME_DELTA=2.0 NOTE_OFF=35 NOTE_OFF=42 NOTE_OFF=46 NOTE_OFF=49 NOTE_OFF=38 NOTE_ON=35 NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=35 NOTE_ON=35 TIME_DELTA=2.0 NOTE_OFF=35 NOTE_OFF=42 NOTE_ON=38 NOTE_ON=42 NOTE_ON=46 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=35 TIME_DELTA=2.0 NOTE_OFF=38 NOTE_OFF=42 NOTE_OFF=46 NOTE_OFF=49 NOTE_ON=35 NOTE_ON=42 TIME_DELTA=2.0 NOTE_ON=35 TIME_DELTA=2.0 NOTE_OFF=35 NOTE_OFF=42 NOTE_OFF=35 BAR_END BAR_START NOTE_ON=42 NOTE_ON=46 NOTE_ON=38 NOTE_ON=35 TIME_DELTA=2.0 NOTE_OFF=35 NOTE_ON=38 TIME_DELTA=2.0 NOTE_OFF=42 NOTE_OFF=46 NOTE_OFF=38 NOTE_ON=35 NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=38 NOTE_ON=35 TIME_DELTA=2.0 NOTE_OFF=35 NOTE_OFF=42 NOTE_ON=38 NOTE_ON=42 NOTE_ON=49 NOTE_ON=38 TIME_DELTA=2.0 NOTE_OFF=35 NOTE_ON=38 TIME_DELTA=1.0 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_OFF=42 NOTE_OFF=49 NOTE_OFF=38 NOTE_ON=38 NOTE_ON=46 NOTE_ON=46 TIME_DELTA=2.0 NOTE_OFF=38 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_ON=38 TIME_DELTA=1.0 NOTE_OFF=38 NOTE_OFF=46 NOTE_OFF=46 NOTE_OFF=38 NOTE_OFF=38 BAR_END BAR_START NOTE_ON=35 NOTE_ON=42 NOTE_ON=46 NOTE_ON=49 NOTE_ON=38 NOTE_ON=38 NOTE_ON=38 TIME_DELTA=2.0 NOTE_OFF=38 NOTE_ON=35 TIME_DELTA=1.0 NOTE_OFF=38 TIME_DELTA=1.0 NOTE_OFF=35 NOTE_OFF=42 NOTE_OFF=46 NOTE_OFF=49 NOTE_OFF=38 NOTE_ON=35 NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=35 NOTE_ON=35 TIME_DELTA=2.0 NOTE_OFF=35 NOTE_OFF=42 NOTE_ON=38 NOTE_ON=42 NOTE_ON=46 NOTE_ON=49 TIME_DELTA=2.0 NOTE_OFF=35 TIME_DELTA=2.0 NOTE_OFF=38 NOTE_OFF=42 NOTE_OFF=46 NOTE_OFF=49 NOTE_ON=35 NOTE_ON=42 TIME_DELTA=2.0 NOTE_ON=35 TIME_DELTA=2.0 NOTE_OFF=35 NOTE_OFF=42 NOTE_OFF=35 BAR_END BAR_START NOTE_ON=42 NOTE_ON=46 NOTE_ON=38 NOTE_ON=35 TIME_DELTA=2.0 NOTE_OFF=35 NOTE_ON=38 TIME_DELTA=2.0 NOTE_OFF=42 NOTE_OFF=46 NOTE_OFF=38 NOTE_ON=35 NOTE_ON=42 TIME_DELTA=2.0 NOTE_OFF=38 NOTE_ON=35 TIME_DELTA=2.0 NOTE_OFF=35 NOTE_OFF=42 NOTE_ON=38 NOTE_ON=42 NOTE_ON=49 NOTE_ON=38 TIME_DELTA=2.0 NOTE_OFF=35 TIME_DELTA=2.0 NOTE_OFF=38 NOTE_OFF=42 NOTE_OFF=49 NOTE_OFF=38 NOTE_ON=38 NOTE_ON=46 TIME_DELTA=4.0 NOTE_OFF=38 NOTE_OFF=46 BAR_END TRACK_END TRACK_START INST=125 DENSITY=0 BAR_START BAR_END BAR_START BAR_END BAR_START NOTE_ON=74 TIME_DELTA=16.0 NOTE_OFF=74 BAR_END BAR_START NOTE_ON=74 TIME_DELTA=16.0 NOTE_OFF=74 BAR_END TRACK_END TRACK_START INST=30 DENSITY=4 BAR_START NOTE_ON=45 NOTE_ON=57 NOTE_ON=59 NOTE_ON=69 TIME_DELTA=4.0 NOTE_OFF=45 NOTE_ON=45 TIME_DELTA=2.0 NOTE_OFF=57 NOTE_OFF=59 NOTE_ON=59 TIME_DELTA=2.0 NOTE_OFF=59 NOTE_ON=57 NOTE_ON=59 TIME_DELTA=4.0 NOTE_OFF=45 NOTE_OFF=57 NOTE_OFF=59 NOTE_ON=45 NOTE_ON=57 NOTE_ON=61 TIME_DELTA=4.0 NOTE_OFF=69 NOTE_OFF=45 NOTE_OFF=57 NOTE_OFF=61 BAR_END BAR_START NOTE_ON=45 NOTE_ON=57 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=45 NOTE_OFF=57 NOTE_OFF=61 NOTE_ON=45 NOTE_ON=57 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=45 NOTE_OFF=57 NOTE_OFF=61 NOTE_ON=45 NOTE_ON=57 NOTE_ON=61 TIME_DELTA=4.0 NOTE_OFF=45 NOTE_OFF=57 NOTE_OFF=61 NOTE_ON=45 NOTE_ON=61 NOTE_ON=57 TIME_DELTA=2.0 NOTE_OFF=45 NOTE_OFF=61 NOTE_ON=45 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=57 NOTE_OFF=45 NOTE_ON=45 NOTE_ON=57 TIME_DELTA=2.0 NOTE_OFF=61 NOTE_OFF=45 NOTE_OFF=57 NOTE_ON=45 NOTE_ON=57 NOTE_ON=61 TIME_DELTA=2.0 NOTE_OFF=45 NOTE_OFF=57 NOTE_OFF=61 BAR_END BAR_START NOTE_ON=59 NOTE_ON=64 NOTE_ON=66 NOTE_ON=47 NOTE_ON=63 TIME_DELTA=6.0 NOTE_OFF=59 NOTE_OFF=64 NOTE_OFF=66 NOTE_ON=64 NOTE_ON=66 TIME_DELTA=2.0 NOTE_OFF=64 NOTE_ON=71 NOTE_ON=59 NOTE_ON=64 TIME_DELTA=2.0 NOTE_OFF=71 TIME_DELTA=2.0 NOTE_OFF=47 NOTE_OFF=63 NOTE_OFF=66 NOTE_OFF=59 NOTE_OFF=64 NOTE_ON=63 NOTE_ON=47 NOTE_ON=59 NOTE_ON=66 TIME_DELTA=4.0 NOTE_OFF=63 NOTE_OFF=47 NOTE_OFF=59 NOTE_OFF=66 BAR_END BAR_START NOTE_ON=63 NOTE_ON=47 NOTE_ON=59 NOTE_ON=66 TIME_DELTA=2.0 NOTE_OFF=63 NOTE_OFF=47 NOTE_OFF=59 NOTE_ON=47 NOTE_ON=59 NOTE_ON=63 TIME_DELTA=2.0 NOTE_OFF=47 NOTE_OFF=59 NOTE_OFF=63 NOTE_ON=47 NOTE_ON=59 NOTE_ON=63 TIME_DELTA=4.0 NOTE_OFF=47 NOTE_OFF=59 NOTE_ON=47 NOTE_ON=59 TIME_DELTA=2.0 NOTE_OFF=63 NOTE_OFF=47 NOTE_ON=47 NOTE_ON=63 TIME_DELTA=2.0 NOTE_OFF=59 NOTE_OFF=47 NOTE_OFF=63 NOTE_ON=47 NOTE_ON=59 NOTE_ON=63 TIME_DELTA=2.0 NOTE_OFF=47 NOTE_OFF=59 NOTE_ON=47 NOTE_ON=59 TIME_DELTA=2.0 NOTE_OFF=66 NOTE_OFF=63 NOTE_OFF=47 NOTE_OFF=59 BAR_END TRACK_END TRACK_START INST=35 DENSITY=2 BAR_START NOTE_ON=32 TIME_DELTA=2.0 NOTE_OFF=32 NOTE_ON=33 TIME_DELTA=4.0 NOTE_OFF=33 NOTE_ON=32 TIME_DELTA=2.0 NOTE_OFF=32 NOTE_ON=33 TIME_DELTA=4.0 NOTE_OFF=33 NOTE_ON=32 TIME_DELTA=2.0 NOTE_OFF=32 NOTE_ON=33 TIME_DELTA=2.0 NOTE_OFF=33 BAR_END BAR_START NOTE_ON=33 TIME_DELTA=2.0 NOTE_OFF=33 NOTE_ON=33 TIME_DELTA=2.0 NOTE_OFF=33 NOTE_ON=44 TIME_DELTA=4.0 NOTE_OFF=44 NOTE_ON=45 TIME_DELTA=8.0 NOTE_OFF=45 BAR_END BAR_START NOTE_ON=33 TIME_DELTA=2.0 NOTE_OFF=33 NOTE_ON=35 TIME_DELTA=4.0 NOTE_OFF=35 NOTE_ON=33 TIME_DELTA=2.0 NOTE_OFF=33 NOTE_ON=35 TIME_DELTA=4.0 NOTE_OFF=35 NOTE_ON=33 TIME_DELTA=2.0 NOTE_OFF=33 NOTE_ON=35 TIME_DELTA=2.0 NOTE_OFF=35 BAR_END BAR_START NOTE_ON=35 TIME_DELTA=2.0 NOTE_OFF=35 NOTE_ON=35 TIME_DELTA=2.0 NOTE_OFF=35 NOTE_ON=37 TIME_DELTA=4.0 NOTE_OFF=37 NOTE_ON=38 TIME_DELTA=8.0 NOTE_OFF=38 BAR_END TRACK_END PIECE_ENDPIECE_END
TRACK_START INST=3 DENSITY=2 BAR_START NOTE_ON=45 NOTE_ON=57 NOTE_ON=59 TIME_DELTA=12.0 NOTE_OFF=45 NOTE_OFF=57 NOTE_OFF=59 NOTE_ON=45 NOTE_ON=57 NOTE_ON=61 TIME_DELTA=4.0 NOTE_OFF=45 NOTE_OFF=57 NOTE_OFF=61 BAR_END BAR_START NOTE_ON=45 NOTE_ON=57 NOTE_ON=61 TIME_DELTA=16.0 NOTE_OFF=45 NOTE_OFF=57 NOTE_OFF=61 BAR_END BAR_START NOTE_ON=47 NOTE_ON=59 NOTE_ON=64 TIME_DELTA=12.0 NOTE_OFF=47 NOTE_OFF=59 NOTE_OFF=64 NOTE_ON=47 NOTE_ON=59 NOTE_ON=63 TIME_DELTA=4.0 NOTE_OFF=47 NOTE_OFF=59 NOTE_OFF=63 BAR_END BAR_START NOTE_ON=47 NOTE_ON=59 NOTE_ON=63 TIME_DELTA=16.0 NOTE_OFF=47 NOTE_OFF=59 NOTE_OFF=63 BAR_END TRACK_END