# Piano Sonata No.4 in E-flat major

> composition by W. A. Mozart

**Wikidata**: [Q3964687](https://www.wikidata.org/wiki/Q3964687)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Piano_Sonata_No._4_(Mozart))  
**Source**: https://4ort.xyz/entity/piano-sonata-no-4-in-e-flat-major


## References

1. Grove Music Online
2. MusicBrainz
3. International Music Score Library Project
4. Freebase Data Dumps. 2013
5. BBC Things