Peter Aucella and Teddy Panos preview the 2023 Lowell Summer Music Series season, which brings top acts to Boarding House Park in Downtown Lowell, including Melissa Etheridge, Andy Grammer and Lyle Lovett & His Large Band. They also take a deeper dive on the series’ first two shows; Leonid & Friends (June 17th) and Keb’ Mo’ (June 23rd)