Whistler is heavy on thoroughness, comprehensiveness, and this approach agrees with his pedantic insistence on learning the positions in the order 3, 5, 2, but I feel he could use a little pruning and structuring (and maybe flexibility).
You'll see what I mean if you look at his 2nd position material (which is very neat and tidy and succinct, albeit perhaps reflecting his lack of interest in 2nd position) and then look at his 3rd position material, which is a big, shapeless sprawl.
If there's a viola version, I don't know how useful it will be, as violist friends tell me 2nd position is very useful when it provides more semitones, and thus fewer stretches, between the 3rd and 4th fingers.
The meatier exercises tend to be Sitt for 2nd and Wohlfahrt for 3rd, so that one wonders if Sitt and Wohlfahrt might not be better places to go than Whistler: both of them are online and copyright free.
Each section tends to begin with too many uninspiring scale exercises, which could be condensed, if only we practised all our scales in every position already, lol!
And what is the culmination of all these studies? We get to play corn like Offenbach, Lehar and Carry me Back to Old Virginny!
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