Lecture series on Sri Visvanatha Cakravarti Thakura's booklet "Raga Vartma Candrika," which explains the philosophical foundation and practice of raganuga-bhakti. A must for all raganuga-bhaktas who want to follow the process properly.
If you learn Sanskrit properly then you train your mind. Sanskrit disciplines your mind. And then you can use your mind however you want to use it. Sanskrit will naturally make you become more sattvic because it purifies your mind.