bach's solo keyboard concertos

[ryanyee]

well i've been acquainted with bach's solo keyboard concertos for about 2 yrs now. how fast time flies. the first one was bwv 1052 in d minor which i discovered in a music library. it was performed by glenn gould during his russia tour i believe. 1957 leningrad. and im wondering now which concerto is the most technically demanding. im finding it harder to play the d minor now than 2 yrs ago when everything was still alright and i've just acquainted myself with the a major and it was pretty easy to sightread still. phew! and also how many people here on pianostreet's playing any of bach's keyboard concertos or all of them thanks all