Some songs are like a time machine. You press play, and suddenly you’re somewhere else, some other time. Maybe it’s a smoky bar in the 1970s, a sweaty punk club in the 80s, or, in the case of “Oh Denise,” the new single from Ken Woods and The Old Blue Gang, a dusty dancehall on the outskirts of Austin, Texas, sometime in the not-too-distant past. The...

Silja Rós sends us “Letters from my past,” and it’s as if one has been handed a velvet pouch of smoothed sea glass, each piece a shard of memory polished by time. Listening feels like sorting through them, the Icelandic musician’s neo-soul and pop songwriting unfurling narratives from what must be deeply personal old diaries. There’s an intimacy here akin to deciphering faded ink...