Jason Aldean scored his 23rd No. 1 single as “Rearview Town” ascended to No. 1 on both the Billboard Country Airplay chart and Mediabase chart this week. “Rearview Town,” which was penned by Kelley Lovelace, Bobby Pinson and Neil Thrasher, is the title track to Jason’s 2018 No. 1 album, which has spawned three additional…