Tubular Bells or Autobahn?
. . . or . . . 
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Autobahn 
Also, I have no idea what the Beatles' Revolver album is, because I've never owned anything by them and never will. I acknowledge that they were innovative but I never really cared for them much at all.
Mike Oldfield is an amazing guitarist and has done plenty of great albums since (favorite is "Songs of Distant Earth."
Without Kraftwerk, the electronic field might have remained simply in the realm of bad science-fiction soundtracks and nothing more.
The comparison is primarily of a chronological one, anyway, playing on that other similar thread in the Lounge. Both came out in the early 1970s and both sold millions (Virgin Records wouldn't have made it without Oldfield.)
but was certainly a big influence on prog/art rock. Well, at least by my take on it. I haven't heard everything yet
or rather, if you lived in LA, New York, or any other "influential" major city (like Chicago) then you probably heard that kind of music on the air. You didn't hear it on commercial stations anywhere else. NY and LA are still the leaders in commercial radio. Everyone else is strictly a follower, and even then, only if it's "commercially safe" locally to air whatever it is.
Although, even there, I remember reading the printed playlists for a station where I worked during a format transition. It was all out of their HQ in Chicago. There was no local determination of what songs were played. Luckily, I didn't have to go on mic, and my slot was between 12 and 6am, so I managed to slip in the kind of music that never got airplay on commercial radio in Houston (such as Oingo Boingo, Oldfield, Wall of Voodoo, and Ozric Tentacles.) 
it was latenight only. They got the rest of their air-time on either KPFT (Pacifica) or KLRU (Rice University.)
Elfman has stated that he could always tell whether his audience was hearing them locally or not. If the majority were young, then the local commercial stations were playing them. If the audience was older, then no local commercial airplay. I can attest to that observation in Houston, as the three times I saw them here, the audience was primarily older. We still had a great time, though 
"Flyover country" never led in band promotion on commercial stations. We only did what had been established on the coasts, and thus why I stopped listening to commercial stations in the 70s. My experience on volunteer radio got me a temporary job at that one commercial station. I was not surprised in the least for what was on their approved playlist, only that it didn't originate locally.
These days, when I listen to radio at all, it's online, and out of San Francisco (soma fm.)
I had one listener that wanted "One of Our Submarines Is Missing" (Thomas Dolby) played week after week. I flat out told him no, that I'd played it the week before, and would maybe play it again in a few months. When you have your own large library as well as the station's huge library to access, why play something more than a few times a year?
You ought to have a look at soma fm again. If you like alt-rock, they have one called "Indie Pop Rocks" and another called "BAGel Radio" ("What alternative rock radio should sound like."
Being really into music turned me into a "professional" ("compliments don't pay the bills" musician, but it also put me off listening to music very often outside of concerts. In the last place I lived (I'm again a sort of hobo composer), I had a stack of cds people had given me that I didn't get through after years of them building up on my desk. A friend I played a concert with yesterday gave me a cd - just now I realize that I didn't even consider listening to it. I figured I'd find it an listen to it in a few months.
Anyway, yeah, I get the purpose for not playing things too often, but what about recognizing quality? If there's a band that the DJs and listeners both really like, why not play them every week? If I had a radio show now, you can bet that I'd play Leonard Cohen and Morrissey almost every week. I'd mostly play other things, but there's nothing wrong with having some favourites.
Listened to a lot of that during my regular Thursday night bull sessions in college.
Sounds like a good evening.
Autobahn first, then Tubular Bells.
See ya!
Throw in the other, later versions of Tubular Bells and you'll have a complete listening experience
.
Then again, I was only twelve at the time. I liked them both back then, and still do
though not like Glass or Reich. Maybe more like Laurie Anderson
Great music and great album cover.
I miss vinyl album covers. 
