Firstly, Rachmaninoff. Holy s***! He must have been terribly sad :(
There's a woodwind instrument at 35:21 sounds too rich for a flute is it an Oboe? It's the most wonderful passage, you can hear this same instrument slightly later too at 35:34.
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35:21 - 35:45 corresponds to the first four measures of rehearsal mark
48 in the score, which for woodwinds indicates:
Flute I, II Oboe (2) English Horn (enters at 35:38) Clarinet in A (2) Bass Clarinet in A (2) Bassoon (2)
The bassoon and bass clarinet play slower-moving parts; the other winds play the more sweeping figures above the string melody.