I’m learning this right now with a Wiener Urtext edition. This also gives staccato on the first of each group of triplets from bar 7 onwards. The following two quavers are then always slurred. I wondered about it at first, because I didn’t want it to sound too dry. However if you pedal very delicately, and keep the right hand very legato, you get a nice contrast of texture, (well, at least my teacher does!) I think if it’s well done, you can get that impression of a boat rocking, not quite regularly as in a lullaby, but like little ripples and eddies pushing it this way and that: a little restless.
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I might just play it with my left hand throughout... No point in confusing myself more than I have to!
i started doing this at first, didn't look at the tails, but I've found it's definitely better in bars 1-7 to take the middle voice with the RH, only taking the bass notes with the left hand. It feels much more relaxed. Then you can hold the crochets for their full value without having to pedal heavily.
By the way, do the accented notes as in bars 14, 19, 20 have any particular meaning? I've noiced this effect in other gondollieds too eg in Liszt's. Maybe boatmen's calls? Anyone know?