RoughCast Instructions
(latest version: 1.0)

Song List Screen

On the first launch, song list screen is shown. Tap on "♪" (upper right) and select the time signature to add a new song.

The sort order of the list is changeable (by date / name). You can duplicate a song by tapping on "♫" (upper left) and then on the song.
To delete a song, swipe left on it and tap on "Delete".

Song Editing Screen

Edit rhythm patterns here.
To edit chords, tap on "Edit Chords".

Rhythm Pattern Editing

A rhythm pattern consists of 2 bars.

On a track with * on name label, optional sound is available with long-press:

Quick Rhythm Input Tips

Time Signature Option

Besides the time signature of the song, you can set another time signature of the same note value group (4th-based or 8th-based) in a section.
If you do this, rhythm data of the section and playing mode are all initialized, but chords remain.

Other Rhythm Settings for a Section

Crash
Turn it on if you would like to play crash once at the beggining of a section (not every 2 bars).
Fill
Turn it on to play fill at the end of a section. When activated, fill pattern editing screen is shown.
Rhythm Division (in 3/4, 5/4, 7/8, 9/8)
In odd-beats signatures, You can switch rhythm division (long-short / short-long). This affects rhythm dynamics and playing timing of chords.

For "Tempo" and "Swing" feature, refer to the Song Settings description.

Editing Chords

Tap on a division you'd like to put a chord into, select a root and a chord type. You can add a tenshon and a bass note. Arpeggio playing available.
Use "No Chord" where you'd like to cut a sustained chord and stop chord playing.

Tap on "↓" to copy upper row to lower.

Song Settings

Count-In

When it is active, "1 bar", "2 bars" and "Fixed 4" are selectable. Use Fixed 4 if beats are too many for count-in. Count-in sounds are always sent to other apps via Audiobus / Inter-App Audio. Turn it off if not nessesary.

Tempo

Use the slider and the triangle buttons (up/down by one). The default value is 120.

Swing (Shuffle)

Available in 4th-based signatures. Swing ratio is 2:1 (medium swing).
Target note value (8th or 16th) is automatically set: if a rhythm pattern or an active fill pattern in your song has a 16th upbeat, target is set to 16th. If not, target is 8th.
Be aware that activating fill may alter the swing target.

Drum Kit

A: Original kit made from "Brooklin" in Logic.
B: Original kit made from "Motown Revisited" in Logic.
C: Original kit made from "Studio R&B" in Logic.
D: Original kit made from "Jazz Kit" in GarageBand.

Chord Instrument

EP: Electric Piano
AP: Acoustic Piano
OG: Hammond Organ
GT: Classic Guitar

Chord Volume

Chord playing volume for thythm playing. The default value is max.

Section Management

Tap on "§" (upper right) to manage sections of the song.
Add/duplicate/delete/re-order sections here (Tap on "Edit" to delete / re-order). A song can contain up to 26 sections. You cannot change the section name.
To change length of the section, tap on "i" and edit the number (1 - 32 bars).

Text Export

Tap on the clipboard icon to export rhythm and chords of a song in plain-text format.
After the dialog "Copied to Clipboard" is shown, you can paste it on a note, mail message, etc.