[Op.69 No.2] „Hidden“ Melody

After doing a new recording of Chopin’s Op.69 No.2, suddenly I heared a melody in a small part in the left hand, I never heared before … Listen carefully:

It seems higher speed connects the notes and with proper pedalling the melody isn’t that blury like my previous recording. I tried to hear the melody in the old recording, but didn’t hear it …