How do I save a track with the voce and the karaoke sono in the internal memory?

[Anke]

@Jacopo_Biondi

so what should I do?

1. This are the correct blocks:
   

   

2. As I said use this server: http://code.appinventor.mit.edu/ or see here:

3. How to build a big app → APK max. 100 MB or → AAB 150 MB