I don't know Shambles, why make it a choice between titles and music? It is possible to have both. For a lot of people names involving words can be easier to remember than tunes without words. Others remember tunes more easily than titles. Fortuneately there are also people who remember both and can bridge the gap.

And don't forget that there are a number of frustrated musicians who come here saying "Help I can't remember the rest of a song that goes something like..."