 This weekend's concert features music for piano, including works by Mendelssohn, Mozart, and Beethoven, and a rousing encore by pianist Daniil Trifonov. Settle in for Carnegie Hall Live, Saturday at 3 p.m. on 91.1 WSHU and at WSHU.org. Made possible by Suzuki Music School, SuzukiSchools.org, and Meadow Ridge Senior Living, MeadowRidge.com.