Re: OT: absolute pitch
Reply #3 –
Perhaps if you can get a couple of different saxes and show him the fingering situation...
Play a concert A on a Tenor with him watching your fingering, then do the same on an Alto. Ask him which note you were playing.
Then do the same with a concert F# (I think) - the Alto will now be using the same fingering as the tenor did for the A but he will know the sound is a concert F#.
This should give you a lead in to talk about how the different size instruments fill in the total range available across bari, tenor, alto and soprano and how any sax player can move to any horn and not need to learn new fingering - just play the dots. The sop. might be a little different - you'd know, I don't play sax so I'm not sure...
That might be easier than talking about fundamental frequencies and stuff - he is only 9 after all...
<edit> Hmm, buggered up my transpositions - should have been:
Concert A becomes a B on the Tenor and an F# on the Alto
Concert F# becomes a G# on the Tenor and a D# on the Alto
No good for the fingering example...
SO, the example should have been:
Concert A = B on the Tenor, F# on the Alto
Concert D = B on the Alto and E on the Tenor
Thus a B on the Alto is a concert D and the same fingering, a B on the tenor is a concert A.
Sorry 'bout that.