On May 2, the Plein Air Sound Collective released Weathering Steel. The debut album of site-specific music recorded at the Tank Center for Sonic Arts comprises compositions and improvisations that explore the unique sonic properties of the steel tank using acoustic instruments, electronics, voices and other sounding objects. The ensemble is comprised entirely of CU Boulder College of Music alumni including Abby Kellems (MM 24, composition), Gavin Kitchen (MM 24, percussion), Veda Hingert-McDonald (MM 23, violin), Jessie Laus矇 (MM 23, composition), Nelson Walker (BM 22, composition) and Jonathan Galle (BM 19, violin).