OPUS remember an octopus working on a musical instrument like piano
A Roman Catholic organisation named OPUS DEI which means "WORK" OF GOD
opus exactly means work related to music (Barron's) Remember Octopus=oct+opus (8 hands) hands are used for working. Opus means work. This is the root of word opus.
Opus sounds like office, where we WORK
Remember Magnum Opus in tranformers he does alot of work to save the world
This is our song - a musical composition OP US