eph221
*what is a yamaha e70* alex.

Do you know how to use a search engine?

*layin by the roadside waiting for a friend to come*

Read this...
 
http://www.thewho.net/whotabs/gear/guitar/arp.html
 
 

Who is he talking about.

craigb
Who is he talking about.

I really wanna know.

jamesg1213
'Eminence Front' not 'Strut'. There's a loop which is classic Townshend, other than that I hear a Rhodes on the live versions.

Yea. I think you got it James. At 2:40 in this video there is a closeup of the Fender Rhodes. 
 
https://www.youtube.com/watch?v=GnHLgxKUsEA
 

Beepster
Read this...
 
http://www.thewho.net/whotabs/gear/guitar/arp.html
 
 

Now he uses AARP. 

The Electone E70 model was different in that it used the same circuit boards and preset voice architecture as used on the CS80.  So basically, it's a preset CS80.  Pretty sweet...a poor man's cs80.  You could probably pick one up on CL for peanuts.  (unless you live in one of those tiny houses)

Yes, there is a Rhodes in there (definitely not a CP-80 or variant). However, I think the OP wanted to know about the arpeggiated synth that runs throughout the song. My best guess would be an ARP 2600.

The ARP 2600 is old enough to justify it as a secondary supplemental instrument........rooight Craigb??