He didn’t abandon it to start on a new project. He abandoned it because it was too loud and too unstable to go on tour. _after_ he abandoned it, he decided to

He didn’t abandon it to start on a new project. He abandoned it because it was too loud and too unstable to go on tour. _after_ he abandoned it, he decided to try again “from first principles”. He gave the machine to a museum in Germany, where a bunch of volunteers spend months getting it to play a simple song and they all agreed it was a nightmare to work with.