Paradoxically, one of the best ways to characterize the music of Son Lux is that it’s difficult to do so. The genre-resistant group was originally the solo project of Ryan Lott until 2015, and his proclivity for out-of-the-box musical exploration has drawn comparison to (and a collaborative project with) Sufjan Stevens. Personally, his unique vocal timbre is reminiscent of James Blake. This affinity for the unusual also apparently extends to Son Lux’s choice of touring partners, as openers Sinkane and Hanna Benn blended their own selection of sounds to give audience members a taste of what was to come. As I entered the Fairmount this past Monday to catch the end of Hanna Benn, the already substantial crowd was a clear indicator of the magnetic power and intrigue of ambiguity.

Benn’s crystalline vocals, which also made an appearance on Son Lux’s 2016 EP Stranger Forms, floated over compositions influenced by her eclectic classical and gospel training. Sinkane, up next, mixed the music of his Sudanese roots with jazz and funk elements for an energizing set that showcased the talents of the group’s members. The guitarist got a few improvisational solos in, and the harmonies of keyboardist/vocalist Elenna Canlas backing up frontman Ahmed Gallab’s soothing tenor transformed to lead vocals for the majority of the band’s final two songs.

Before long, Lott’s faux-hawk appeared under the dim stage lights. He was joined by guitarist Rafiq Bhatia and drummer Ian Chang, and the trio introduced themselves with the first few chilling verses of “Forty Screams,” then the opening song from their latest album Brighter Wounds. The project is the second to include Bhatia and Chang as official band members after 2015’s Bones, though the group has been performing together since 2013. Though the most recent album is sonically more accessible than the last, Lott hasn’t lightened his hand lyrically. It’s an intimate reflection on his alternating hope and uncertainty for the future spurred by the recent birth of his son. His trembling falsetto, sounding always as if he might be moments away from tears, lends itself to expressing the raw content of the music. Varyingly passed through filters and paired with his eclectic production, full of instrumental samples and effects with a distorted yet organic feel, it can be hard to be sure he’s emitting the sounds you’re hearing or if they originate from some otherworldly source.

Though Son Lux is Lott’s brainchild, the group’s writing process is reportedly highly collaborative. Accordingly, the musicianship of the of the other members was given ample time to shine, with the band adapting their recordings for the stage to highlight their skill. Bhatia had a few solos and covered string parts by adjusting his tone, and for “Stolen,” Chang broke into an extended drum break to finish off the song. Building off this energy, Lott later showcased his usually restrained voice by belting out the resplendent chorus of “Dream State.” Digging into the keyboard unconventionally angled away from him, it seemed like he was holding on against a musical fervor that would otherwise sweep him away.

As he approached the end of the set, Lott joked with the audience, playing on the traditional faux exit and encore by telling the audience, “the song after this is our last…but not really. Just pretend it is.” The crowd happily obeyed, keeping energy levels high. When the band got to their “last song,” they requested that the people in the venue participate, instructing the crowd and cueing them in to sing a melody adapted from one of the string parts in the song. The tune in question, “All Directions,” was befitting of the impromptu choir, since a similar effect is applied in the final refrain of the recording. The lyrics, “And weren’t we the beautiful ones/I promise we were,” also stir up a collective impression of loss and redemption that was easy to feel part of.

As promised, Son Lux exited the stage before re-entering and delivering a smoldering performance of “Aquatic.” To spark things up again for their (actual) last song, they treated everyone to their most popular tune, “Lost it to Trying,” getting the audience to join in once again – this time without any request needed.