[1]#Throwback a 51/2 inch [2]#sound [3]#wave - [4]#science [5]#earrape from March 19, 2014. [6]#frequency - [7]#headphoneusersbe... [8]https://t.co/aHQBJ71lBL -- Nobody Needs (@InfoNobodyNeeds) [9]March 28, 2016 via Twitter https://twitter.com/InfoNobodyNeeds March 28, 2016 at 03:23PM References Visible links 1. https://twitter.com/hashtag/Throwback?src=hash 2. https://twitter.com/hashtag/sound?src=hash 3. https://twitter.com/hashtag/wave?src=hash 4. https://twitter.com/hashtag/science?src=hash 5. https://twitter.com/hashtag/earrape?src=hash 6. https://twitter.com/hashtag/frequency?src=hash 7. https://twitter.com/hashtag/headphoneusersbe?src=hash 8. https://t.co/aHQBJ71lBL 9. https://twitter.com/InfoNobodyNeeds/status/714533466247983104