music: Category: Name Next Lyric: (5 words) What's your name Who's your daddy?

Questions

In 1966 OAO 1, the 1st orbiting ---------- observatory, launched.?

In 1968 New socialist constitution of ---------- Germany takes effect.?

In 1971 1st legal off-track ---------- system begins (OTB-New York).?

In 1973 Pablo ---------- artist, dies near Mougins, France, at 91.?

In 1976 Phil ---------- rock producer, dies.?