PowerChord.app is a set of musician tools including chord lookup, circle of fifths explorer, and progression builder, with piano and guitar interfaces.
It is designed for musicians, singers, songwriters, music students or anyone else interested in writing or learning more about music.
This video is a short introduction on how to use Power Chord.
Keyboard tool helps you find chord positions and names on the keyboard
Guitar & Ukulele tool helps you find chord positions and names on the guitar
Vocals tool helps you find your vocal range and practice singing
Rhythm sequencer allows you to build your own beats to play with or use as a metronome
Progression builder helps you build and transpose chord progressions
Music Theory tool helps you find notes and chords in any key using the circle of fifths
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The Keyboard tool helps you find chord positions and chord names on the keyboard. You can also play notes by clicking or touching the keys.
You can change the selection mode to change what happens when you touch a key on the keyboard. Available options are:
Select two or more notes on the keyboard. If the selected notes form a chord it will be displayed in the Chord field.
Use the Select Chord buttons to select a chord name and quality. If you would like to see a different inversion select a bass note using the final selection button.
Use the Select Key buttons to select a tonic and quality.
The Guitar & Ukulele tools helps you find chord positions and chord names on the guitar. You can also play notes by clicking or touching the fret.
Select two or more notes on the fretboard. If the selected notes form a chord it will be displayed in the Chord field.
Use the Select Chord buttons to select a chord name and quality. If you would like to see a different forms for the same chord use the plus and minus buttons to explore.
Use the Select Key buttons to select a tonic and quality.
The Vocals tool helps you find your vocal range, practice, find the notes in a tune, or even tune an instrument. When using this tool make sure you are in a quiet place where there is as little ambient noise as possible.
To find your vocal range make sure the range finder is expanded. You will find your low and high notes separately.
You can practice singing using the Tune Capture tool. It will show the notes you sing in a graph along with a line to show how close you are to prefect. The color of the note in the graph will be brighter the closer you are to prefect.
If you want to figure out what notes are in a tune start the capture tool (see above) then hum or sing it.
Start the capture tool (see above) then play an instrument. When the line is in the center of the note it is perfectly in tune.
The Rhythm sequencer allows you build your own rhythms using a number of different percussion instruments, or select from one of the predefined rhythms.
The Progression Builder/Transposer is used to build chord progressions and transpose them to other keys. It guides you in selecting the best chord to follow another one.
The Music Theory Tool has a circle of fifths explorer to help you find notes, chords and signature for any key.