[rollcat]

> Sonic pi seems to be the most recent endeavor in this area. but it doesn't offer any deb-packages. compiling for Debian/Ubuntu seems to be not documented.

You sure?

    % lsb_release -sic
    Debian
    stretch
    % apt-cache madison sonic-pi
      sonic-pi | 2.10.0~repack-2 | https://deb.debian.org/debian stretch/main amd64 Packages
      sonic-pi | 2.10.0~repack-2 | https://deb.debian.org/debian stretch/main Sources