Eyesore wrote:
If you like something—and this is completely subjective—then it is inherently "catchy" to you. If it were not you would not like it.
I'm not so sure about that. I think "catchyness" should be defined as being easily remembered and recognizable after only one or a few listens. It has nothing to do with whether you end up liking it or not.
Example:
Dream Theater songs are not catchy. Sure you'll know note by note after 20-30 listens but you will hardly recognize the songs after the first couple of listens. Still, many Dream Theater songs are more than simply good.
Manowar songs are catchier. They have simple structure and use the usual powerchors over and over again. The choruses stick to your mind very fast. They are catchy songs and they are good songs at the same time.
Modern pop songs are catchy. If anybody even dares to musicallly dissect a Mtv pop song, he will find that it's about repeating bass lines and chord sequences that have been and still are used to death over and over again. It's catchy but it's not good.
I admit that there is ofcourse a huge degree of subjectiveness in what one finds catchy or not and subesequently likable. Being exposed to oriental music would make somebody find an oriental themed metal song very catchy, while at the same time somebody from northern europe would think celtic/viking-style folk metal music is "catchier". In this or simillar cases, catchyness only affects the liking-curve or time that a certain music needs in order to be enjoyed and not whether it will be enjoyed or not. In short, as I mentioned before, I believe "catchyness" is not a measure of quality and only distantly and relatively related to likability.