Chamber stage: The “Chamber on Stage” series continues at 2 p.m. Oct. 20 with the return of Stefano Greco to Miller Symphony Hall, Allentown. The program is: Beethoven, “Sonata No. 32 C minor Variations” and “Sonata No. 17: The Tempest,” and Liszt, “Vallée d’Obermann,” “Les Jeux d’eaux à la Villa d’Este” and “Rigoletto Paraphrase.” Greco has performed at the Festival of Castleton; Opera City Concert Hall, Tokyo, and Lincoln Center, New York. He has been heard on CNN, RAI International, and David Dubal’s program, “Reflections from the Keyboard.” The 2019-2020 concert series is sponsored by The NB Center for Automotive Heritage. Tickets: Miller Symphony Hall box office, 23 N. Sixth St., Allentown; millersymphonyhall.org; 610-432-6715

Jazz twins: Peter and Will Anderson, twin American jazz saxophonists and clarinetists, present a concert with their trio, 7:30 p.m. Oct. 18 in the “Jazz Upstairs” series, Rodale Community Room, Miller Symphony Hall, Allentown. They have performed at The Kennedy Center, Lincoln Center, and Blue Note Jazz. They have released eight albums as leaders. The Andersons’ month-long show, “Le Jazz Hot: How the French Saved Jazz,” was nominated for the 2014 Drama Desk Award in the “Outstanding Revue” category. The Andersons’ 2013 release, “Correspondence,” was included in Vanity Fair magazine’s “Four New Releases to Make you Love Jazz.” Tickets: Miller Symphony Hall box office, 23 N. Sixth St., Allentown; millersymphonyhall.org; 610-432-6715

Organ recital: Amanda Mole, organist, presents an “Arts at St John’s” series concert, 7:30 p.m. Oct. 18, St. John’s Evangelical Lutheran Church, 37 S. Fifth St., Allentown. She placed first in the 8th International Musashino-Tokyo Organ Competition in 2017. She was a featured performer at the Organ Historical Society Convention, Philadelphia, in 2016. She has been on the radio show, “Pipedreams Live,” and has recorded a CD to be released in 2019. Mole, from Holden, Mass., is pursuing a Doctor of Musical Arts as a student of David Higgs at the Eastman School of Music. The concert is open to the public. Free-will offerings accepted. Information: 610-435-1587