Chris Cannam and Andy Green are software developers known for their work on Rosegarden, an open-source digital audio workstation program. Rosegarden is designed for Linux and offers music composition and editing capabilities, with features that cater to both audio and MIDI sequencing. It provides tools for composers, musicians, and audio engineers, integrating music notation, audio effects, and digital audio recording. Chris Cannam and Andy Green contribute to maintaining and enhancing Rosegarden's functionality, reinforcing its presence as a viable tool for music production in the open-source community.