https://techcrunch.com/2018/09/27/amazons-alexa-fund-invests-in-three-voice-startups/ > Founded in 2015, Amazon’s Alexa Fund is devoted to helping kickstart early-stage voice startups. This week, it’s bringing a trio of new companies into its Seattle-based accelerator. > There’s Bamboo Learning, which was an early partner for Amazon’s Alexa Presentation Language (APL). The startup develops music educational skills, teaching users about notes, instruments, chords and tempo, along with other bits of music vocabulary.