自然大调音阶训练
4/4
自然音阶练习：听到随机音后2秒后播放结果
@Photo by Keith Misner on Unsplash
Thanks for Audio Samples: Copyright (c) 2020 Liam Lee/https://github.com/Leethring/piano-sound-samples.git
唱名对照：1-do | #1-di | 2-re | #2-ri | 3-mi | 4-fa | #4-fi | 5-sol | #5-si | 6-la | #6-li | 7-ti