Misc: Into which body of water does the river Danube flow?

Questions

Elton once tried to perform this entire album continuously in a concert?

Elton's first single- written without the help of Bernie Taupin?

He "called his child Jesus"?

Longest song, actually a medley of two separate songs, kicks off this album?

Song: "14 people lying dead in a bar they called the Kicking Mule"?