A commercial software made in Berlin.. similar to Ableton live, but: running under LINUX!
Be sure to install libav-tools package. Latest Ubuntu Versions >= 16.04 don't have that package anymore.
Install the dpkg manually, e.g:
wget https://launchpad.net/ubuntu/artful/amd64/libav-tools/7:3.3.4-2 dpkg -i libav-tools<tab>...deb
apt-get install alsa-tools alsa-tools-gui alsamixergui patchage jackd2 jackd2-firewire qjackctl a2jmidid gmidimonitor