“Odyssey,” a new show from internationally acclaimed group Celtic Thunder, brings to Chevalier Theatre a fascinating exploration of Irish music and culture, grounded in the ensemble’s impressive history while ambitiously forging new paths. Take a sweeping voyage through the heartlands of traditional Irish music, the rhythmic pulse of contemporary Irish music, and the innovative original arrangements emblematic of Celtic Thunder’s unique sound. “Odyssey” is not simply a concert; it’s a powerful theatrical experience that honors Celtic Thunder’s rich musical legacy and blazes new trails with a captivating blend of music, storytelling, and atmospheric stagecraft. Tickets are $39 to $99 through the Chevalier Theatre website/Ticketmaster. To avoid online ordering fees, purchase tickets at the Chevalier Theatre Box Office, which is open on Fridays and Saturdays from noon to 6 p.m., as well as two hours before every Chevalier Theatre show.