String Quintet No.2 Kv.406 mov.4 Allegro
If you look closely, you will notice that there is no heading "Variations" in this piece. Nor does it say "Var. 1" on each variation. Well, it is a variation, no matter who hears it.
bar1-18 : Theme
bar19-36 : Variation 1
bar37-54 : Variation 2
bar55-72 : Variation 3
bar73-105 : Variation 4
bar106-147 : Variation 5
bar148-155 : Interlude
bar155-187 : Variation 6
bar187-225 : Variation 7 + Interlude
bar225-262 : Variation 8 + Coda
http://aeolianconsort.chakin.com/Mozart.htm
