25 Piano Concertos - 7 DVDs & 1 CD - is an exclusive box set offering over 14 hours of music, ideal for beginners but also highly collectible for the classical music aficionados & collectors. It also includes a 260 pages book with introductions to every piano concerto by young Berlin pianist Leonie Rettig: The pianist's view on the pieces, gives insights on what is the work of a pianist, learning and performing the 25 classic piano concertos (in English and German) - and featuring her on the Bonus CD included: Leonie Rettig plays Sonatas by Schubert and Liszt, recorded at the Kammermusiksaal of the Berliner Philharmonie in February 2018.