1. Obispo SL, Hartquist J (2012) Real-time musical analysis of polyphonic guitar audio
2. Fujishima T (1999) Realtime chord recognition of musical sound: a system using common lisp music. In: ICMC proceedings
3. Stark AM, Plumbley MD (2009) Realtime chord recognition for live performance. In: Proceedings of the international computer music conference (ICMC 2009)
4. Ma K Automatic chord recognition
5. Rajpurkar P, Girardeau B, Migimatsu T A supervised approach to musical chord recognition