Listening to a classic: #AlfredBrendel plays #Beethoven 's #PianoConcerto Nos. 1 & 3, accompanied by #WilfriedBottcher & the #PhilharmonicOrchestraStuttgart (1) & #HeinzWalberg & the #ViennaSymphonyOrchestra (3). Concerto No. 1 was actually written after No. 2, but published 1st.