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On Tempo Relationships - Practising the Piano
I was working with someone on Schubert’s B flat Impromptu last week, a set of variations on the so-called “Rosamunde” theme. Variation form always poses a tempo challenge to the performer – how to adapt the basic tempo we have chosen for the theme as the variations unfold. The edition my student was using was by the one by Howard Ferguson, from the ABRSM’s Signature Series. Ferguson is a musician and scholar for whom I have a lot of respect, so I was very interested to find in the preface some tempo suggestions that are “in no way authoritative, but may prove helpful if only as points of departure”. Schubert marks the theme Andante – most important, of course, to notice the all breve time signature, so that’s two beats in a bar (on no account must it feel like four). I’ve just been on YouTube to sample the tempo from a few recordings, here are the first five that came up in the search: Lisitsa – c. 35 Pires – c. 35 Brendel – c. 40 Schiff – c. 45 Zimerman – c. 46 It was difficult to find a fixed pulse for the Horowitz recording I found. He brings his own inimitable Romantic approach to the work that has a magic all it’s own. Howard Ferguson gives his suggestions in crotchet beats (strangely), and a tempo of 80 for the theme (40 for the minim beat). This increase to 88 (44) for the Variation 1, the slight increase making sense in light of the forward-flowing semiquaver movement that always reminds me of the sort of music Schubert writes when describing brooks or streams of water. Variation 2 pushes the pulse still further, at 96 (48), before a new, …