主三和弦

二级每个大调和小调的主三和弦：主音加上它上方的三度和五度，原位。

Start with 大调和小调的主三和弦. In 12 minutes you will be able to 说出二级任何一个调的主三和弦由哪些音组成. It is free.

Hear the chords in the music trainers

Follows the ABRSM Music Theory syllabus. ABRSM is a trade mark of its owner; Brainlag is independent and is not affiliated with or endorsed by ABRSM. Every example and question is original. Results are Brainlag estimates, not exam results.