About this site
Tools for practicing an instrument and learning music.
Listen to an example, slow it down, and repeat it at your own pace.
Created by Yoshito Kimura
For the update history (in Japanese), see the Japanese page.
Practice tools
Irregular Time Signature Metronome
Keep a steady beat or practice changing meters. From everyday 4/4 to complex time signatures.
Open metronomePolyrhythm Metronome
Hear and see different rhythms played together. Build coordination with patterns such as 3 against 2.
Open metronomeDrum Rhythm Pattern Trainer
Practice limb coordination on the drums. Read the notation and change one part at a time: right hand, left hand, right foot, or left foot.
Open trainerPiano Scales & Fingering
Read finger numbers and hear major and minor scales. View all 12 keys and repeat them at your own tempo.
Explore scales & fingeringFree to use, with no sign-up. Works on your phone too.
More music theory tools and services
Music Theory Apps
- ① Look up the notes of a chord (140+ types)
- ② Look up the notes of a scale (70+ types)
- ③ Search for chord and scale names
- ┗ Reverse lookup with a MIDI keyboard
- ④ Chord progression collection
- ⑤ Diatonic chord tables
- ⑥ Explore modulation intervals and key relationships
- ⑦ Calculate note values
- ⑧ Metric modulation
- ⑨ Transpose chord progression text
- ⑩ Visualize a string instrument fingerboard
- ⑪ Reverse lookup chord / scale names from the fingerboard