Live music performances on television shows this week include:

Live music performances on television shows this week include:

v Beck: Tuesday on “Conan” (TBS)

v Iggy Azalea: Wednesday on “Tonight Show With Jimmy Fallon” (NBC)

v Rick Ross: Wednesday on “Jimmy Kimmel Live” (ABC)

v Garth Brooks: Thursday on “Tonight Show With Jimmy Fallon” (NBC)

v Foo Fighters: Friday on “Late Show With David Letterman” (CBS)

“Dancing With the Stars” (8 p.m., ABC): They’ve busted out their best moves and strutted their stuff on the 19th season of “Dancing With the Stars.” Now it’s time to watch the winners waltz off with that hideous disco-ball trophy.

“Finding Your Roots With Henry Louis Gates Jr.” (8 p.m., PBS): In the season finale, Jessica Alba learns that she is descended from a cartographer for France’s King Louis XIV.

TV listings, B6

ENTERTAINMENT NEWS

Trumbull artists offer works for sale

WARREN

Members of Trumbull Area Artists are offering works for sale at Trumbull Art Gallery and Nissen Gallery through Jan. 1.

At Trumbull gallery, 158 N. Park Ave., there are 151 pieces by 35 artists, all priced at $200 or less. Hours are noon to 4 p.m. Tuesday through Saturday.

More than 100 works by 23 artists are available at the Nissen Gallery, on the first floor of Trumbull Memorial Hospital, all priced at $100 or less.

Polish holiday cakes for sale

YOUNGSTOWN

Polish Youngstown is taking orders through Dec. 7 for the unique sekacz cake.

Sometimes called a tree cake, the sekacz was introduced during the Polish-Lithuanian Commonwealth of the late 14th century. An extra-rich pound cake, it has a conical, pine tree shape obtained from its manner of baking. The batter is systematically poured in layers onto a rotary spit in a process that takes more than 10 hours.

As it bakes, it develops spikey forms that look like branches. When it’s done, it stands vertically and is served by slicing it horizontally to reveal the “growth rings,” as in a tree trunk.

Polish Youngstown is buying the delicacies from one of only a handful of U.S. bakeries that makes them. Prices are: $15 for the 4-inch cake (1 pound); $30 for the 8-inch cake; and $60 for the 16-inch cake. Go to polishyoungstown.org.

Cakes can be picked up at 4 p.m. Dec. 7 at the Brier Hill Cultural Center, 149 Jefferson St.; and from 5:30-9:30 p.m. at Polish Happy Hour at Christopher’s Downtown, City Centre One-Lower Level, 100 E. Federal St.

For information, call 330-333-9724.

Cosby canceled

NEW YORK

Foxwoods Resort Casino has indefinitely postponed Bill Cosby’s Jan. 31 concert but did not give a reason. The announcement Monday by the Connecticut resort adds to several cancellations last week for the embattled comedian amid a growing number of sexual assault allegations. At least 29 dates remain on Cosby’s touring calendar through May, including March 13 at Packard Music Hall in Warren.