KXStudio is a collection of Linux packages focused on audio. See its homepage.
Get the KXStudio repos on Debian/Ubuntu
# Update software sources
sudo apt-get update
# Install required dependencies if needed
sudo apt-get -y install apt-transport-https gpgv wget
# Download package file
wget https://launchpad.net/~kxstudio-debian/+archive/kxstudio/+files/kxstudio-repos_11.1.0_all.deb
# Install it
sudo dpkg -i kxstudio-repos_11.1.0_all.deb
# Install
sudo apt-get update
sudo apt-get -y install kxstudio-meta-all