I gave those drums another try. Also they store the notes in the url so Bernd can open and edit it as he likes. In theory at least, I dunno if the link will work.

https://jummbus.bitbucket.io/#j5N07Unnamedn310s0k0l00e05t1la7g0fj07r1O_U00000000i0o321T6v0pub8f0000q0x1821d230WOE2b925T1v0pua9f0000qo132ad230A0F0B2Q2010Pf770R0000E261278T3v0puaef0000q0x1821d230Sp99f9c9Vppbaa9gE1b9T4v0puf0f1a0q011z6666ji8k8k3jSBKSJJAArriiiiii07JCABrzrrrrrrr00YrkqHrsrrrrjr005zrAqzrjzrrqr1jRjrqGGrrzsrsA099ijrABJJJIAzrrtirqrqjqixzsrAjrqjiqaqqysttAJqjikikrizrHtBJJAzArzrIsRCITKSS099ijrAJS____Qg99habbCAYrDzh00E0b4h400000000h4g000000014h000000004zhm0000000p22v0000FB8G5E2Q1q0H3ahq8Gp68ksx4n84v8N2V2zA8yIcz494uiAbAEXboh5SktzSkwKOzIJz4noOj54a6hBN38OSl3ykhtzby7pi2VaBP0Nq1jAcwbAifIp1u8iSmMAbI9r3pi5S4JBI92X2mMXagFOf41tz8WQ