Welcome to this week’s Release Round-Up! David Bowie, Spying Through a Keyhole: Demos and Unreleased Songs (Parlophone) (Amazon U.S. / Amazon U.K. / Amazon Canada) Spying Through a Keyhole: Demos and Unreleased Songs is the new box set with four seven-inch vinyl singles of some of Bowie’s earliest material.  It will feature nine rare, monaural recordings, including mostly solo vocal-and-guitar versions of familiar songs (“Space Oddity” in its earliest known version, “London Bye Ta Ta,” “In The Heat Of The Morning”) as well as the heretofore-unknown “Love All Around,” a lyric of which…