* Sheet Music Plus: Sheet Music Plus is a retail store that sells music sheets for individual purchase. They have a large selection of Yiruma's music sheets, including piano solos, duets, and arrangements for other instruments.
* Musicnotes: Musicnotes is another retail store that sells music sheets for individual purchase. They have a wide variety of Yiruma's music sheets, including piano solos, duets, and arrangements for other instruments.
* Amazon.com: Amazon.com also sells music sheets for individual purchase. They have a limited selection of Yiruma's music sheets, but you may be able to find some of his more popular pieces.
* Pinterest: Pinterest is a social media site where users can share photos and videos. There are many Pinterest boards dedicated to Yiruma's music, and you may be able to find links to free downloads of his music sheets.