Here is a start. A breakdown of the most commonly used BIAB codes, organized by category:

🎵 Chord Input Codes
Standard Chords: C, Cm, C7, Cm7, Cmaj7, Cdim, Caug, C9, C13, etc.
Bass Note Slash Chords: C/E, Dm/F (Chord over different bass)
Alternate Root: F#, Gb, A#m, etc.
Rest: . (Period before chord, e.g., .C means rest on beat)
Push: ^ or >, means the chord is pushed early by 8th note (e.g., ^C)
Held Chord: C... (held chord over multiple beats)
Shots: C^ or C> depending on the version (also see F5 bar settings for shots and holds)
Slash Bass with Rest: .C/E (rest then slash chord)
Alternate Bars: You can have 2 chords per bar: C,Dm

⏱️ Bar and Part Markers
Part Marker: A or B (starts a new section)
Substyle Changes: A to B (changes style groove)
Time Signature: Use F5 to set per-bar time sigs (e.g., 4/4 to 3/4)
Tempo Changes: F5 > Set Tempo for specific bar

🎚️ Bar Settings (via F5 Key)
Volume change (each track)
Mute/Unmute tracks
Change Style at specific bar
Tempo Change
Time Signature Change
Looping
Shots/Holds/Pushes

🎼 Chord Suffixes (Style-Recognized)
Here are some valid chord suffixes:

Code Meaning
maj7 Major 7th
m7 Minor 7th
7 Dominant 7th
dim Diminished
aug Augmented
sus4 Suspended 4th
6 Sixth
9 Ninth
11 Eleventh
13 Thirteenth
m9 Minor Ninth

🎛️ Style Codes
Styles end in .STY and may appear as:
ZZJAZZ.STY – Jazz style
POPBAL.STY – Pop Ballad
EV16_8.STY – Even 16ths at 80 bpm
Use F5 or StylePicker to change styles mid-song

🔁 Repeats and Endings
Repeat Signs: Notation view shows repeats but you must use Song Settings or bar settings to make loops
Tag Ending: Song Settings > “Tag Exists”
Coda / DS/DC al Fine: Shown in printout but not playback

🎤 Melody/Harmony Codes
Add via Melody or Harmony menus
No specific "code" in the chord sheet, but editable via settings or plug-ins

🎹 RealTracks / RealDrums Codes
Track names include codes like:
RT103 – RealTrack 103
RD13 – RealDrum 13
~ is a RT prefex indicating that the RT has been substituted
Accessed via instrument picker or F5 for patch changes

🧰 Special Codes (for Pasting/Importing)
If you're pasting a song into BIAB (text input or clipboard), valid chord symbols and bar separators include:

| – Bar line
|| – Double bar line
[C] – Key signature
[F4] – Time signature
[STYLE=NAME] – Change to a style
[TEMPO=XXX] – Set tempo
[VOLUME=XX] – Set volume

BIAB – 2025, Reaper (current), i7-12700F Processor, 32GB DDR4-3200MHz RAM, Motu Audio Express 6x6 - My SoundCloud (Tip: No need to create a SC account to hear music - just hit ESC ).