Windy City Smokeout may be built around country music, smoked meats and cold drinks, but Day 2 demonstrated that its musical borders are wide enough to accommodate one of the most successful pop-rock bands of the 1990s.

Hootie & the Blowfish headlined Thursday night’s festivities outside Chicago’s United Center, delivering a nostalgia-heavy performance without allowing nostalgia to become the entire point. Earlier in the evening, Scotty McCreery brought his unmistakably deep voice and traditional-country sensibilities to the stage before creating the day’s defining surprise: the first live performance of his hit collaboration with Hootie & the Blowfish, “Bottle Rockets.”

From enormous choruses to an unexpected onstage reunion, here are seven reasons Day 2 of Windy City Smokeout delivered.

1. Hootie & the Blowfish remain one of music’s greatest singalong bands

Some artists have popular songs. Hootie & the Blowfish have songs that seem to activate an entire crowd within their opening notes.

The band’s catalog is filled with the type of choruses that listeners do not merely recognize—they instinctively join. Decades after songs such as “Hold My Hand,” “Let Her Cry” and “Only Wanna Be With You” first dominated the radio, their words remain embedded in the memories of fans who grew up with Cracked Rear View.

That familiarity made Hootie’s headlining performance especially well suited for a festival. Even attendees who may not have considered themselves devoted fans knew considerably more of the set than they might have expected.

When the biggest choruses arrived, the crowd did not need an invitation to participate. Thousands of voices transformed the performance into something resembling a reunion between old friends—even when many of those friends had never met before Thursday night.

2. Darius Rucker’s unmistakable voice still carries the show

Hootie & the Blowfish would not sound like Hootie & the Blowfish without Darius Rucker’s voice.

His rich baritone remains one of the most recognizable instruments to emerge from 1990s rock. Warm enough to sell the band’s most sentimental material and powerful enough to rise above its guitars, Rucker’s vocals gave every familiar song its signature character.

That voice has aged particularly well. Rather than attempting to recreate the exact sound of the band’s earliest years, Rucker performed the material with the depth of someone who has spent decades living alongside it.

The result was comforting without feeling overly polished. As soon as Rucker began singing, the festival grounds could have been almost anywhere: a country festival in Chicago, a summer amphitheater or a car with Cracked Rear View playing through its speakers.

3. The performance proved nostalgia does not have to feel like a novelty act

Nostalgia was undeniably part of Hootie & the Blowfish’s appeal Thursday night. For many fans, the performance offered an opportunity to revisit songs connected to high school, college, family road trips or the seemingly endless radio rotation of the 1990s.

But the set did not feel like a band simply cashing in on memories.

Hootie & the Blowfish still performed like a working group rather than a collection of musicians assembled to reproduce old recordings. The songs were treated as living pieces of the band’s catalog, not museum exhibits that needed to be preserved exactly as they sounded three decades ago.

There was comfort in hearing the hits, but there was also substance behind them. The performance reminded the crowd why the music became so successful in the first place: strong melodies, instantly memorable hooks and a band whose chemistry has always felt refreshingly unforced.

Nostalgia may have drawn some fans to the stage, but the performance gave them more than nostalgia in return.

4. Hootie brought welcome rock energy to a country festival

Windy City Smokeout has increasingly shown that country music does not need to exist inside rigid boundaries. Hootie & the Blowfish pushed those boundaries further by bringing a rootsy pop-rock sound to the festival’s Thursday-night headlining slot.

Their guitars gave the evening a different texture from the more traditionally country performances heard earlier in the day. The change never felt disruptive, though. Hootie’s music shares enough DNA with country—storytelling, acoustic foundations and melodies designed for communal singing—that the band fit comfortably into the Smokeout atmosphere.

At the same time, the group’s rock energy helped distinguish Thursday from the festival’s other days. It provided a refreshing reminder that a strong country festival can become more interesting, not less authentic, when its lineup leaves room for complementary sounds.

Hootie may not fit every narrow definition of a country band, but on Thursday night, the group certainly looked at home.

5. Darius Rucker’s country career made Hootie a natural Smokeout headliner

Had Hootie & the Blowfish appeared at a country festival during the height of the band’s initial success, the booking might have seemed unexpected.

That is no longer the case.

Rucker’s enormously successful country career has connected two major chapters of his musical life. Fans who first discovered him through Hootie now stand beside younger listeners who may know him best through his solo hits and his version of “Wagon Wheel.”

That crossover made Hootie uniquely qualified to headline Windy City Smokeout. The band could satisfy fans looking for 1990s favorites while remaining relevant to an audience accustomed to hearing Rucker on country radio.

Instead of feeling like an artist borrowed from another genre, Hootie felt like part of the extended country family. Rucker’s career has made the distance between those musical worlds seem considerably smaller than it once did.

6. Scotty McCreery’s baritone sounded even bigger in person

Long before Hootie & the Blowfish took the stage, Scotty McCreery gave the crowd one of Thursday’s most distinctly country performances.

McCreery possesses a voice that is almost impossible to mistake for anyone else’s. His low, resonant baritone immediately gave his set an identity of its own, cutting through the open-air festival environment with clarity and authority.

That voice has always made McCreery sound older than his years, but his performance demonstrated the confidence and control that have come with experience. He no longer feels defined by the television competition that introduced him to a national audience. He carries himself like an established country performer with a substantial catalog and a clear understanding of what his audience wants.

The depth of his vocals also created a compelling contrast with Rucker’s later performance. Day 2 featured two of popular music’s most recognizable baritones, each approaching country music from a different direction.

7. Scotty McCreery and Hootie & the Blowfish made “Bottle Rockets” history

The most memorable moment of Day 2 arrived before Hootie’s headlining set had even begun.

During his performance, McCreery welcomed Hootie & the Blowfish to the stage for “Bottle Rockets,” marking the first time the artists had performed their collaboration together in concert.

The song was already a natural fit for the festival. Its easygoing, summertime energy matched an event built around live country music, barbecue and spending an entire day outdoors with friends. Hearing it performed by McCreery alone would have worked perfectly well.

Bringing out Hootie, however, elevated it from another song in the set to a genuine festival moment.

The collaboration also tied the day’s two biggest performances together. Rather than Scotty McCreery’s set ending and Hootie’s beginning as completely separate attractions, “Bottle Rockets” created a bridge between them. It rewarded fans who arrived early, generated anticipation for the headliner and delivered something that could not simply be replicated at the next tour stop.

Festivals are at their best when they produce moments made possible by having so many artists gathered in one place. On Thursday, Windy City Smokeout gave Chicago exactly that.

Hootie & the Blowfish may have supplied the familiar songs that closed the evening, but their surprise appearance with McCreery ensured that Day 2 also offered something entirely new.