This looks like the same logo they have used since the early '80s. 1985 album cover here. It is probably custom lettering. The two ns are slightly different.

Someone might be able to recommend a close match.

Check out Valentia Joy, Amorinda, Vladimir Script, and some of the fonts in Sudtipos' Bluemiein Script Collection. None are exact by any means, but you might find something that has the stylistic characteristics you're after.

KCH

Lakeside from Mark Simonson doesn't have the quite same elegant stroke contrast but might worth considering.

http://new.myfonts.com/fonts/marksimonson/lakeside/

Thanks guys for the suggestions :-)