Transposing and changing chord display
If you are using a correctly formatted OpenSong file, you can easily transpose the chords. To do this, open the 'Chords' option menu and click on 'Transpose'. You can also set a custom quick launch page button to directly access the transpose feature.
If the key of the song has been set, you will be shown the key of the song along with a draggable bar that allows you to change the key. If the key has not been set, you will only see what transpose steps will be used (e.g. +2 to move the song key up two tones).
By default, OpenSongApp will try to determine the correct formatting of your chords. This may or may not be shown at the bottom of the transpose window.
Preferred chord settings
Some people prefer Bb, others A#. Guitarists obviously prefer C or G, but we all have our own preferences of what name should be given to a chord.
To set your preference, choose 'Choose chord format' from the 'Chords' option menu. Switch the chords to your preference.
If you scroll down this page, you can also tell OpenSongApp which chord system you prefer (Standard, European, Do-Re-Mi, or Nashville) and whether OpenSongApp should try to detect the format or always use your preference.
If you choose to use your preferred system, OpenSongApp will transpose using your preferred system.
From the 'Chord' option menu, you can also ask OpenSongApp to convert a song from it's detected format into your preferred one. This isn't always perfect!
You can also ask OpenSongApp to automatically just use sharp or flat chord symbols.
Showing chords, lyrics and capo chords
If you want to play a song with a capo, you can set this in the edit song page. After opening up the edit page, scroll down until you see the 'Capo' field. Here you should specify which fret the capo is placed on (or for keyboard players, the number of transpose + you need to set!).
From the right hand 'Chords' option menu, you can tell OpenSongApp to show any combination of lyrics, chords (native) and capo chords on the song display. Capo chords by default are shown in a different colour to normal chords, but this can be set in your theme.