WYBC and Yale Music Scene, in association with YCC and YSAC, present Battle of the Bands tonight. The event will run 8 p.m. to 11 p.m. in the Stiles dining hall and will feature Yale’s best R & B and rock groups. Winners will be chosen by text-message voting.

Yale’s 2009 Relay for Life, which ran from 4 p.m. Saturday to 8 a.m. Sunday, included poker, inflatable jousting and Twister, as well as a performance by YouTube sensation Nick Pitera.

The Cupcake Truck made a stop at Payne Whitney Gym to supply sugar to the participants, who so far have raised approximately $80,000 for the American Cancer Society.

Taking advantage of the warm weather, close to 200 people turned out Friday and Saturday nights for opera in the Davenport courtyard. Audience members, reclining in lawn chairs and on picnic blankets, were treated to the Yale Gilbert and Sullivan Society’s production of “Princess Ida.”

It’s New Haven Restaurant Week, and 25 eateries are offering discounted prix-fixe menus. Lunches are $16.38 (a nod to the year New Haven was founded), and dinners are $29.

The Duke’s Men won fourth place in Saturday’s International Championship of Collegiate A Cappella finals at the Lincoln Center for Performing Arts in New York. First place went to Fermata Nowhere, a group from Mt. San Antonio College, a community college in Walnut, Calif.

If global warming or environmental stewardship don’t convince you to observe Earth Day on Wednesday, consider this: According to a recent New York Times Magazine article by psychology professor Paul Bloom, humans derive pleasure from exposure to real natural habitats.

The late Yale law professor Stan Wheeler was honored Sunday in a second annual memorial concert at the Law School. A pioneer in law and sociology, Wheeler once played with the Yale Jazz Ensemble and the Reunion Jazz Ensemble, both of which performed Sunday.

The Yale Debate Association hosted the Osterweis Debate Tournament for high school students Sunday. The tournament gave participants experience in the collegiate style of parliamentary debate with discussions based on “New Challenges for America.”

This day in Yale history

1917 Due to the war, senior societies tapped earlier than usual. Skull and Bones, Scroll and Key, and Wolf’s Head sent representatives to Palm Beach to tap students serving with the Aerial Coast Patrol Unit No. 1.

Submit tips to Cross Campus