Delivering what American Songwriter calls a “frantic, thrilling, roller-coaster ride of a live show,” the California-based musicians of The Devil Makes Three play East Moline's The Rust Belt as Moeller Nights headliners on May 20, showcasing the bluegrass, country, folk, blues, jazz, and ragtime talents that made PopMatters call the group “one of the most exciting American bands in the business.”

Delivering what calls “a daring blend of innovative modern swagger and classic Americana cool which dares listeners not to come along for the ride,” the bluegrass, hip-hop, and country-rap artists of Gangstagrass play a special free concert at Davenport's Redstone Room on May 10, producing a singular sound that, according to Essentially Pop, “smashes every borderline, every genre, every preconceived idea of what a bluegrass hip-hop fusion might sound like.”

Cairo, Egypt-based experimentalist and vocalist Nadah El Shazly performs at Rozz Tox on May 10.

98°, May 11

Widely adored for such hit singles as “Because of You,” “The Hardest Thing,” and their chart-topper “Thank God I Found You,” the pop and R&B sensations of 98° take the stage at Davenport's Rhythm City Casino Resort Event Center on May 11, reuniting almost exactly 20 years after the Billboard Music Award nominees won their Teen Choice Award in the “Breakout Artist” category.

Moeller Nights presents a unique pairing of projects as Har Mar Superstar performs a set of his original R&B/pop songs in collaboration with the Quad City Symphony Orchestra. The orchestra also presents a full two-set program of their own featuring the likes of Stravinsky, Bach, and Bartók.

With singer and group co-founder Tony Butala currently celebrating his astonishing 61st year with the trio, the beloved pop vocalists of The Lettermen will return to the Circa '21 Dinner Playhouse on May 13, their annual concert engagements overflowing with timeless hits such as “When I Fall in Love,” “Put Your Head on My Shoulder,” “Hurt So Bad,” and “Shangri-La.”

Ona, May 14

West Virginia-based indie/country rock crew Ona land at the Triple Crown Whiskey Bar & Raccoon Motel on May 14.

Cincinnati-based psych-rock ensemble In the Pines takes the stage at Rozz-Tox on May 4.

The diverse, instrumental rock/prog/pop outfit Delicate Steve, fronted by charismatic guitarist Steve Marion, plays the Triple Crown Whiskey Bar & Raccoon Motel as a Moeller Nights headliner on May 2.

Tristen, May 3

A two-time winner of Nashville Scene's citation for “Best Local Album,” pop singer/songwriter Tristen showcases her talents as a Moeller Nights headliner on May 3, her most recent album Sneaker Waves described by NPR as a work that “abounds in toothsome melodies and glistening layers of guitar and synth” as the artist herself “bears quietly lacerating witness to vulnerability.”