This single use mp3 player design was inspired by the deep relationship we have without favourite songs. There is a vile of acid in the top which starts to drip onto a thin metal plate when the song starts. The acid slowly eats its way through the metal plate before attacking the main circuit board of the mp3 player, rendering it broken. The user would load on the one song they had the deepest connection with, then listen to it once. Once the acid has done its thing and the player is broken, it is placed and sealed in its box which doubles as a display box. The user now has a token to remember their favourite and their memories of that song by.