====== Mario 64 Music Commands ======
The M64 commands are used in creating sequences in Super Mario 64, it has a midi-like structure, except more compressed.  Some of these commands can vary in how many bytes long they could be.
In M64, we have the <color red>header</color>, the <color blue>track</color> and <color purple>music event</color>, the <color red>header</color> is the beginning of the M64, what all M64s must have, it contains necessary information about the M64, like the NLST, amount of channels, tempo and master volume, the <color blue>track</color> contains all necessary information about the M64, like pointing to the <color purple>music event</color> address, setting track volume and so on, the <color purple>music event</color> contains all the play note(<color green>0x00 - 0xBF</color>), transposition(<color green>0xC2</color>) and rest commands(<color green>0xC0</color>).

===== Header Format and Commands =====
==== 0x90-0x9F: OFFSET ====
Points to track data for a specific channel, indicated by the second nibble of status byte, a track offset is started with a <color green>0xC4</color> command.

''90 [<color purple>AA AA</color>]''

| <color purple>A</color> | Offset to load track from |

Example: Load track data from offset 0x16
  90 00 16
  
==== 0xD3: M64 Flags ====
Flags for the M64 file.

''D3 [<color purple>AA</color>]''

| <color purple>A</color> | Flag ID |
List of Flags(Hexadecimal); 
|80| Music pauses when the game is paused |
|60| Unknown. |
==== 0xD6: CHANNEL FLAGS ====
Used to disable channels.

''D6 [<color purple>AA AA</color>]''

| <color purple>A</color> | Disable channels flag. Each bit = one channel. |

Example: Disable channel <color green>0</color>
  D6 00 01

==== 0xDB: MASTER VOLUME ====
Volume for the whole M64.

''DB [<color purple>AA</color>]''

| <color purple>A</color> | Master volume. |

Example: Set master volume to <color green>50</color>
  DB 50
  
==== 0xDD: TEMPO ====
Tempo in BPM.

''DD [<color purple>AA</color>]''

| <color purple>A</color> | Tempo. |

Example: Set tempo to <color green>120</color>
  DD 78