The speaker talks about using free and open source software for music production. They discuss various tools and applications available for recording and processing sound, including Guitarix, Rack-A-Rack, Ardour, Hydrogen, and Yoshimi. The speaker also covers using MIDI for virtual instruments and offers recommendations for synthesizers, soundfonts, and plugins. They emphasize the flexibility and potential for creativity that free and open source software provides for musicians. The talk ends with a recommendation to engage with the community and seek feedback for improving music production skills.