Build Alexa Skills to play audio from YouTube videos
Detailed instructions available in my Medium Posts:
A Complete Alexa Skill to Play Multi-Track Audio From YouTube Videos
Build an Alexa Skill To Play Audio From YouTube Videos
https://medium.com/better-programming/how-to-play-youtube-audio-from-your-alexa-e2d4fb8b5ce9
Quickly Build an Alexa Skill Using ASK CLI
https://medium.com/swlh/quickly-build-an-alexa-skill-using-ask-cli-8ab2977bd126