30:02
30 Minute Focus - Dreamlight ⚡ Brain.fm ⚡ Music for Maximum Focus and Concentration
        2:00:36
Intense Study - 40Hz Gamma Binaural Beats to Increase Productivity and Focus
        1:00:27
Study Focus - 40Hz Gamma Binaural Beats to Increase Focus & Productivity
        1:03:10
Deep Study - 40Hz Gamma Binaural Beats to Increase Focus & Productivity
        1:02:27