3 ms·Grooveshark (RIP) had the best music recommendation engine I've ever used.by Mattasher 4y agoGrooveshark (RIP) had the best music recommendation engine I've ever used.odiroot 4y agoAnd also had probably best web UI for listening to music. RIPzahrc 4y agoAnd listening together was also possible… man I miss grooveshark