《triangle problem》is a song performed by Erke, with music composed by Dai Penny, with lyrics by Dai Penny, tonality C#, this is intermediate-level sheet music, suitable for users with some foundation to learn.
This is jianpu(numbered notation), Click here to view staff notation.
![Erke-Triangle [Solo Score]] preview](/upload/sheet/2915/f2496d00b6a1d3571f2905448e9da358.png)
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