The lions' share of "Classics Live", Aerosmith's second live album, was recorded during a February, 1984 concert. At that time, the rift between Steven Tyler and Joe Perry had not yet healed, and Jimmy Crespo and Rick Dufay were standing in for original guitarists Perry and Brad Whitford.
This is not really a bad record, but it certainly isn't an essential one, either. The mix is slightly muddled, the music sounds a little uninspired, and six of these eight songs were also on the "Live Bootleg" album (why Columbia Records chose to release those instead of material which hadn't previously been available live is beyond me).
"Train Kept A-Rollin'" is pretty good, though, and so is "Mama Kin", but "Lord Of The Thighs" and "Kings And Queens" are messy and unfocused, and "Sweet Emotion" and "Dream On" both sound more inspired on "Live Bootleg". And why tag a studio outtake ("Major Barbra") on to the end of a live album?
The least of Aerosmith's four live albums, "Classics Live" is mainly for hardcore Aerosmith fans. The sound and the playing simply isn't up to the band's usual standarts, and "Classics Live II" and "Live Bootleg" are much better records.