Monday Fun: Seven Databases in Song
From the post:
If you understand things best when they’re formatted as a musical, this video is for you. It teaches the essentials of PostgreSQL, Riak, HBase, MongoDB, CouchDB, Neo4J and Redis in the style of My Fair Lady. And for a change, it’s very SFW.
This is a real hoot!
It went by a little too quickly to make sure it covered everything but it covered a lot. 
All kidding aside, there have been memorization techniques that relied upon rhyme and song.
Not saying you will have a gold record with an album of Hadoop commands with options but you might gain some noteriety.
If you start setting *nix commands to song, I don’t think Stairway to Heaven is long enough for sed and all its options.