As you may know, Clementine is an open-source, multiplatform music player, similar to Amarok 1.4, offering an intuitive and simple interface for the user.
The latest version available is Clementine 1.3.1 which has been released a while ago, coming with a lot of improvements.
The latest version available of the software is available via the default repositories, so all you need to do is update the local repository index and install the clementine package, in order to install it. Like this:
$ sudo apt-get update
$ sudo apt-get install clementine
Optional, to remove clementine, do:
$ sudo apt-get remove clementine
The installation instructions work for Ubuntu 18.10 Cosmic Cuttlefish, Ubuntu 18.04 Bionic Beaver, Linux Mint, Elementary OS and other Ubuntu derivative systems.