Christmas Bach: The Bach Choir of Bethlehem’s annual Christmas Concerts, with Artistic Director and Conductor Greg Funfgeld, joined by members of the Bach Festival Orchestra and soloists, presents J.S. Bach’s “Magnificat,” which the choir first performed in 1903, and, for the first time, the choir performs G. F. Handel’s “Messiah,” Part One, 8 p.m. Dec. 7, First Presbyterian Church, Cedar Crest and Tilghman streets, Allentown, and 4 p.m. Dec. 8, First Presbyterian Church, 2344 Center St., Bethlehem. Soloists include Agnes Zsigovics, soprano; Daniel Taylor, countertenor; Isaiah Bell, tenor, and David Newman, bass-baritone. The concert concludes with the audience joining the Choir for carols, including “Silent Night,’ sung in German and English. In addition to the Bach Choir’s concerts, Bel Canto, the youth choir affiliated with the Bach Choir, is holding its winter concert, 2 p.m. Dec. 7, St. John Windish Church, 617 E. Fourth St., Bethlehem. Tickets: bach.org; 610-866-4382, ext.115 or 110.

Christmas plus: It’s The Ten Tenors, plus one, none other than Jackie Evancho, 7:30 p.m. Dec. 7, State Theatre Center for the Arts, Easton. The Tenors will perform holiday standards and songs that are favorites of the group’s fans. This year marks the 24th anniversary of the inception of The Ten Tenors. Tenor and Touring Musical Director Michael Edwards says, “No one does the holidays like America does the holidays. It is a seriously fantastic time to be on tour. We love it.” Evancho, 18, released her new album, “The Debut,” in April. Tickets: State Theatre Center for the Arts box office, 453 Northampton St., Easton; statetheatre.org; 1-800-999-7828; 610-252-3132

Christmas spider: Erin Ferguson of Nazareth signs copies of her children’s book, “Earl: The Christmas Tree Spider,” 4 - 6 p.m. Dec. 7, Moravian Book Shop, Bethlehem, and 11 a.m. - 1 p.m. Dec. 21, Barnes & Noble, Southmont Center, Easton. It’s the first book for Ferguson, who is a freelance writer. Getting the book published took about three years.