Parallel - Listen to music with friends over Spotify at the same time
VoiceText for Slack - Voice notes w/ transcription in Slack
Slackbox - Spotify playlist collaboration through Slack
Penman - A voice-driven note taking app 🗣️📝
TuneMeet - Chat with people who are listening to the same song
Tetra - Tetra is a call recording and analyzing program that allows you to focus on the conversation while it takes notes and remembers shortcuts for you.