Hi,

Well, in the past, getting a grasp on a song quickly would depend on either getting the score or have someone play it with/for you a few times. Nowadays, we have quite a few recordings and lyric sets on-line, so anything within that song-base one could probably familiarise oneself with fairly quickly. Of course, that would probably yield a specific artist's version of a song, rather than a personal interpretation, but I'd say that in a session that's not unheard of.

BTW, is it unusual to be able to pick up a song in one go as a child? I always figured every child could do that.

Bye,
                                                                  Mysha