1. Enter relevant keywords in the search engine, such as "song name+music score" or "singer name+music score", and you can search many websites and resources, including guitar score, piano score and so on.

2. Search for the names of songs or singers in music applications, and some applications will provide play online and download music scores.

3. Ask other music lovers or professionals in music forums or social media, and they may offer help or recommend other resources.

4. Find relevant books or periodicals in the music bookstore or library. Some books or periodicals will include songs and music.