British indie rock band alt-J made a memorable return to the Tiny Desk concert series, showcasing their evolution and musical versatility. The band's initial Tiny Desk performance in 2012 featured a traditional setup, but this time, they embraced a completely different approach. For their latest performance, alt-J collaborated with a cellist and two violinists, demonstrating their willingness to experiment and push boundaries.

alt-J, consisting of Joe Newman, Thom Sonny Green, and Gus Unger-Hamilton, was originally formed in Leeds in 2007. Their debut album, "An Awesome Wave," released in 2012, garnered critical acclaim and won the prestigious British Mercury Prize. The band's second album, "This Is All Yours," reached number one on the UK charts in 2014, solidifying their place in the indie music scene.

The innovative performance at the Tiny Desk concert highlighted alt-J's musical evolution and willingness to take risks. By incorporating classical instruments into their set, the band showcased their ability to reimagine their sound and captivate audiences in new ways. This performance served as a testament to alt-J's commitment to creativity and experimentation, setting them apart as a dynamic force in the indie rock genre.