Just try to guess the randomly created sounds.
You can practice copying by ear and relative pitch more practically.

■ Randomly create sounds that are close to actual songs
Sounds are randomly created according to the chord progressions that are often used in actual songs.
You can practice ear copy more practically.

■ You can train various abilities required for copying by ear
To do so, it is necessary to guess the sound using various factors such as scale, chord progression, chord, etc. as well as the sense of pitch.
This app allows you to practice those elements efficiently.

■ Customize to your liking
You can customize the scale and tempo used.
You can choose whether to practice a random scale or a specific scale.