qtractor software package provides MIDI/Audio multi-track sequencer application, you can install in your Ubuntu 14.04 LTS (Trusty Tahr) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install qtractor
qtractor is installed in your system.
Make ensure the qtractor package were installed using the commands given below,
$ sudo dpkg-query -l | grep qtractor *
You will get with qtractor package name, version, architecture and description in a table
| Distro | Ubuntu 14 04 lts trusty tahr |
| Section | Sound |
| Package | qtractor |
| Version | 0.5.11-3 |
| Description | MIDI/Audio multi-track sequencer application |
| Sub Section | Sound |