《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 staff notation, Click here to view jianpu(numbered notation).
![Erke-Triangle [Solo Score]] preview](/upload/sheet/2915/180a13a135e3a45e55a352168eabc9f7.png)
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