Metronome with Music Player

It is possible to play the metronome and the music in the terminal at the same time.
For example, you can check the rhythm of your favorite song with the metronome.
The metronome part can graphically check various patterns.
It uses note for each beat, and has plain design intuitively.
Detailed function :
[metronome]
- Beat pattern
-- 1/Beat - 4/Beat, 6/8, Son (3:2, 2:3), Rumba (3:2, 2:3), samba (Partido Alto), Son 6/8, Rumba 6/8, Bossa, Shuffle.
-- Beat number ranges 2-8. (in the case of 1/Beat - 4/Beat)
- Setting of each beat
-- Switch note (rest) for rest (note) by tapping note.
-- Each note selects 2 patterns of beat sounds.
- Set List
-- Each list parameter has BPM, pattern, beat number.
-- Change the list at top screen.
- BPM ranges 30-240.
- Set BPM by Tap. (Set beat sound ON/OFF by Tap.)
- Select many kinds of beat sounds. (16 sets, 32 types)
[Other]
- Music player
-- It is possible to simultaneously play music and metronome in the device.
-- Speed conversion of music. (50~200%)
- Select background color or image. (16 types)
Note :
This app can't read songs of the following formats.
- Songs from iCloud, iTunes Match
- Songs that are protected by digital copyright (DRM)