YouTube video: https://www.youtube.com/watch?...
The Body Electric is Rush at their best. The bass and drums on the intro are instantly recognizable. It's one of several tracks on the Grace Under Pressure album (released in 1984) that showcase the classic Rush sound.
Few rock bands dare to address "heavy" topics, but Rush did it regularly, and with great success. Neal Peart's skill with lyrics is on full display here. Grace Under Pressure included songs about artificial life ("The Body Electric"), the holocaust ("Red Sector A"), and the cold war ("Distant Early Warning"). None are "preachy", and all are quite accessible to mainstream audiences. They all received a good amount of airplay on rock radio.
(Yes, I'm a huge Rush fan, and I'm proud to admit it!)