They do, if the clients choose to render. Example, nostr:npub12vkcxr0luzwp8e673v29eqjhrr7p9vqq8asav85swaepclllj09sylpugg on web browsers. 
nostr:nprofile1qqszy58kj62v9fpe98nhuh0q76np4e0r0g0wd44rhth3wphdnyqjfzcpz3mhxue69uhhyetvv9ujuerpd46hxtnfduq3wamnwvaz7tmjv4kxz7fwwashvmrpddjjucm0d5q3samnwvaz7tmjv4kxz7fwwdhx7un59eek7cmfv9kqurnrls is it possible that these embedded links can have a play button?
And if I get zapped I would rather the zap goes to the musician. How to do?
#asknostr
Discussion
Neat. Amethyst, let's go.