Cecily Crowther dances with John Russell at the Hot Summer Nights summer concert series at the Chicago Botanic Gardens on Thursday, Aug. 30. | Dan Luedert~Sun-Times Media

Dancers enjoy the evening as they dance under the pavilion at the Hot Summer Nights summer concert series at the Chicago Botanic Gardens on Thursday, Aug. 30. | Dan Luedert~Sun-Times Media

Michael Kim laughs as he dips Niclle Wood while dancing in the garden at the Hot Summer Nights summer concert series at the Chicago Botanic Gardens on Thursday, Aug. 30. | Dan Luedert~Sun-Times Media

Zoe Harvey, 3, watches the adults dance as Morry Sochat & The Special 20's at the Hot Summer Nights summer concert series at the Chicago Botanic Gardens on Thursday, Aug. 30. | Dan Luedert~Sun-Times Media

Ana Zieba is spun by Gary Severs while dancing to the music of Morry Sochat & The Special 20's during the Hot Summer Nights summer concert series at the Chicago Botanic Gardens on Thursday, Aug. 30. | Dan Luedert~Sun-Times Media

Linda and Fred Radecki enjoy the evening as others settle in for the Hot Summer Nights summer concert series at the Chicago Botanic Gardens on Thursday, Aug. 30. | Dan Luedert~Sun-Times Media

Ruth Guilllerno is dipped by Tony Guillerno as they dance to the sounds of Morry Sochat & The Special 20's as they attend the Hot Summer Nights summer concert series at the Chicago Botanic Gardens on Thursday, Aug. 30. | Dan Luedert~Sun-Times Media

Ana Zieba is spun by Gary Severs while dancing to the music of Morry Sochat & The Special 20's during the Hot Summer Nights summer concert series at the Chicago Botanic Gardens on Thursday, Aug. 30. | Dan Luedert~Sun-Times Media

Chris Neal takes to the microphone while performing with Morry Sochat & The Special 20's at the Hot Summer Nights summer concert series at the Chicago Botanic Gardens on Thursday, Aug. 30. | Dan Luedert~Sun-Times Media

Morry Sochat & The Special 20's perform at the Hot Summer Nights summer concert series at the Chicago Botanic Gardens on Thursday, Aug. 30. | Dan Luedert~Sun-Times Media

Morry Sochat & The Special 20's perform at the Hot Summer Nights summer concert series at the Chicago Botanic Gardens on Thursday, Aug. 30. | Dan Luedert~Sun-Times Media

Chris Neal plays the sax while performing with Morry Sochat & The Special 20's at the Hot Summer Nights summer concert series at the Chicago Botanic Gardens on Thursday, Aug. 30. | Dan Luedert~Sun-Times Media

Chris Neal plays the sax while performing with Morry Sochat & The Special 20's at the Hot Summer Nights summer concert series at the Chicago Botanic Gardens on Thursday, Aug. 30. | Dan Luedert~Sun-Times Media

People dance in the pavilian during the Hot Summer Nights summer concert series at the Chicago Botanic Gardens on Thursday, Aug. 30. | Dan Luedert~Sun-Times Media

Heels, sneekers, dress slacks, shorts and skirts spin about the as people dance in the pavilion during the Hot Summer Nights summer concert series at the Chicago Botanic Gardens on Thursday, Aug. 30. | Dan Luedert~Sun-Times Media