“A few years back, the Nashville veteran Rodney Crowell responded to health scares with an album (Close Ties) that included defiant, upbeat numbers such as It Ain’t Over Yet. On Triage, his 18th album in a career stacked with hits, Crowell is more sanguine, more subdued, with songs revolving around mortality, sin and redemption. One number directly addresses a medical diagnosis of transient global ”