# Harden My Heart / Don't Be Lonely

> 1981 US 7" single by Quarterflash; Geffen Records – GEF49824

**Wikidata**: [Q108069389](https://www.wikidata.org/wiki/Q108069389)  
**Source**: https://4ort.xyz/entity/harden-my-heart-don-t-be-lonely


## References

1. 45cat
2. Discogs
3. MusicBrainz