Every Wednesday, Philadelphia residents convene at The Rotunda for two hours of musical improvisation, free and open to all, with no leader, no instructions, and no repeating. Thomas Hagen previews.

More music for April and early May, including performances by Delaware Symphony, Opera Philadelphia, Mendelssohn Chorus, and more. Gail Obenreder previews.

The Mütter Museum is inviting Philladelphians to put on their best scientific chic to celebrate Marie Curie’s legacy. Crystal Sparrow previews.

In 2023, Victor Vieira-Branco began presenting World Again, a monthly series for improvised music in the black box at Vox Populi Gallery. The music sounds a bit like jazz, a bit classical, but with more surprises. Thomas Hagen profiles.

Gail Obenreder rounds up the first part of April’s classical music events happening in and around the city.

The Philadelphia Orchestra experiments with a new, casual concert format in its Orchestra After 5 series. Cameron Kelsall previews their latest event.

Open Organ Day, Avery Fisher Career Grant virtuoso brothers Anthony and Demarre McGill come to town, and new organizations Liberty City Arts and Musica Tevere show off their talents. Gail Obenreder previews.

Curtis Opera Theatre inventively pairs two works from the 20th century that consider the struggles of women in society: Poulenc’s Les Mamelles de Tirésias and Kurt Weill and Bertolt Brecht’s The Seven Deadly Sins. Cameron Kelsall reviews.

Vivaldi’s Juditha triumphans, a 1716 oratorio about Judith and Holofernes that premiered with a famous all-women Venetian ensemble, is little known today. Philly’s baroque orchestra revives it with stunning effect. Gail Obenreder reviews.

The Philadelphia Orchestra teamed with conductor Fabio Luisi, the Mendelssohn
Chorus of Philadelphia, Philadelphia Boys Choir & Chorale, and Philadelphia Girls Choir for a much-anticipated Carmina Burana. Linda Holt reviews.