|Sound Player number||162|
|Heartbeat code number||1725|
MROB-6720M is a battle theme in Mother 3. It is mainly techno, although the heavy use of drums results in a heartbeat track that is fairly even. This song plays during battles against Li'l Ms. Marshmallow and Unwelcome Gusts and the unused enemy Green Train .
|Sound Player number||163|
|Heartbeat code number||1825|
|Other tempo||240 BPM at 0:19 for 3 beats, 120 BPM at 0:32, slows down from 160 to 90 BPM, from 0:51 to 0:57|
GENE163-1425 is the harder version of MROB-6720M. It is roughly the same song, but sudden outbursts of a different part of the song occur three times. At these times, the rhythm speeds up for 3 beats, stays the same, and slows down, respectively. Also, near the end, the rhythm slows down. This version first plays when battling against Mr. Genetor and Boa Transistors.