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发行商 Luca Rocchi AppTrack Ninja。

If you are a serious musician, you are supposed to answer "What is the 7b of D?" It's C, of course. But, were you fast enough? you know, if playing in a gig you are required to think fast... Try Altered#

分类: Music, Education

的 App Store 排名、截图、估算和类似应用。 Altered#.