Daredevil Wrote:
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> As a second thought: It's not necessarily about
> the technical merit, but in what way is the
> guitarist important for the sound and image of the
> band?

> Ozzy - it's all about Ozzy, no matter what
> guitarist is in the band.

I beg to disagree. Both Randy and Jake brought a unique musical flavour. In a way neither Z or the Firewind guy did.

> Bon Jovi - Although Sambora was a great guitarist
> in the 80s, Jon has proven with Blaze of Glory
> back in 1990, that he doesn't need Sambora to
> produce a fantastic album. Today we can see, with
> Phil X, that he doesn't need him in a live setting
> at all.

Sambora's voice and co-singing is essential to their sound. He is needed more than ever in that regard.

> Dokken - George Lynch played a significant role in
> defining the sound with his guitar playing.
> However, Jon Levin is totally able to emulate his
> style and more importantly is willing to do so.
> Therefore Lynch wasn't irreplaceable at all.

As long as one is willing to settle for a complete copy cat (I am impressed though how he pulls it off).