Arts Brookfield puts the lobby in its building at 1801 California to good use during April with a series of four FREE lunchtime concerts. Lunchtime Listening: Friends of Chamber Music takes place every Tuesday this month from noon to 1 p.m. On tap to perform: April 4 – Yuanmiao Li and Quanshuai Li, violin duo. April 11 – Altius Quartet. April 18 – Trio Thessalia. April 25 – Avium Quartet. After your midday musical break, explore the current exhibition, “Shelter of Desire,” a collection of paintings by artist Xi Zhang.