Space for music on late-night TV has dwindled. But when James Corden left CBS’ “The Late Late Show” in 2023, his program — and its coveted performance space — was never revived. NBC’s “Late Night With Seth Meyers” has cut back on live music, while ABC’s “Jimmy Kimmel Live!” They’d signed to the larger indie label 4AD Records, hired management and were promised a late-night TV spot but never thought it would pan out. But for many, landing a late-night TV performance is still the north star of a press run.