Ok, for those of you who work in the industry, I have an actual question, and I think this pertains to somewhat to our buddy Daughtry. Could clarify your definition of "fizzle out?"
That's a hard concept within the industry, and as I answer your other questions you'll see why.
As has been stated throughout the thread, not many people care about their favorite artist "charting" or not. I always kind of observed that most artists who are willing to keep working (and I mean WORKING) are able to get, and keep, their music out there.
Selling CD's happens in any combination of three ways.
1. Radio spins
2. Concert/Live apprearances
3. Word-of-mouth. This can be anything from Myspace to a review in a paper or magazine to your best friends sister.
I could list dozens of artists who haven't charted in a decade or more (much more) who continue to release new music. Hey, look at Barry Manilow. Radio stations flat out refuse to play him, yet he releases new CDs about every other year. I'm a fan of a little band called Los Lobos - you might remember them from their 80s re-release of "La Bamba." Pretty sure that was the only time they charted, but they release new music regularly and tour like nuts. Lets see...Jackson Browne, Prince, Elvis Costello is still working. I don't know, there are a bunch.
This breaks into a number of pieces, and I think you might be surpised at who has and hasn't charted. We've been using radio and CD sales charts as one in the same in this thread--up to this point. In reality they are two seperate things. With a band like Daughtry, you expect to see the same results from both charts. With someone like Jackson Browne, you might--or might not. When he releases a CD he does chart on the AC charts as well as Billboard sales charts. (He is highly unlikely to chart on Hot AC these days.) Jackson Browne tours every years, but primarily playing benefits and festivals where his over head is entirely paid by the sponsors. I'm not sure that he could sell enough tickets to profitably headline more than a concert club tour these days, and it would have to be scaled back at that.
Los Lobos hasn't had a major label release in over a decade. They still get played on Spanish Radio, which has it's own set of charts, and have had radio adds on those stations with their later releases. They tour, but it's small scale, a lot of supper club type of places. Without a major behind them--and thus no good distribution--they sell most of their CD's at thier shows, which is the incentive to tour. They have certain geographic areas that they find continued success, outside of those areas they aren't worth the paper the handbill for thier show is printed on. They need to tour to pay the bills.
IMHO Prince never "fizzled out" he just reinvents himself regularly.

The Purple One has two reasons for his popularlity. Maybe three. First, he has a dedicated fan base just like the other artists you mention. Second, his fan base is much younger than the other two I mentioned above, and bottom line, people over 35 don't buy many concert tickets. (I'm NOT saying they don't go to concerts. But the average 25 year old buys a LOT more tickets than the average 48 year old.) Next, he's ageless. That has allowed him to continue to grow a young fan base. Jackson Brown LOOKS old. Prince looks cool. The music industry values youth. A 20 year old female doesn't look at Prince and think "old man" she looks at Prince and thinks "Cool clothes."

And last, he's always got a SMOKIN' HOT band behind him, which draws musicians to his shows, and he's always got HOT chicks in the band, which draws guys in.
Barry Manilow is in the same group as Tom Jones, Babs, and maybe Liza Minelli. They are
legends in thier genres. They have huge, dedicated fan bases who keep in touch via fan clubs and word of mouth. It works for them. Barry's fans are my age and older. We're the girls that sent David Cassidy fan mail, the ones that had our first crush on one of the Monkee's or the Beatles. Those artists have sold gazillions of millions of records. They don't NEED to work. They don't NEED to pay back HUGE tour advances or recording advances. They work when they want to and don't work when they don't want to. Or need to have hips replaced, go through rehab, etc. Barry's label continues to record his music because through his TV appearences, Vegas show, etc. he sells CD's. His fans are insanely loyal. (My best friend would throw herself in front of a truck to save him!) But that loyalty didn't happen overnight. It built over the past 35 years or so.
The music industry has changed drastically over time. Now it's much more bottom line driven. Most labels won't keep an artist around if they don't sell well on the first CD. Maybe they'll give them a second if they can keep expenses low. I think there's a lot more competition out there each year. When I was in my teens there were three local bands to choose from to play our school dances. These days in Orlando I could name 25 just off the top of my head.
You touched on something critical.
"I always kind of observed that most artists who are willing to keep working (and I mean WORKING) are able to get, and keep, their music out there." You are sooo correct in that observation. The problem is that for the artists that haven't built that fan base to begin with, they can want to work, but one-hit-wonders that aren't part of a niche market (Los Lobos for example) simply can't work because they can't sell. Did you know that Kip Winger has released two CD's in the past five years or so? He's out touring right now. Don't expect to hear "Headed For a Heartbreak" because that's not the type of music he's playing now. It's a lot more mature, and appeals to musicians. But then again guitar players/bassists have always realized how talented Kip is. But the caveat is that he's also playing small clubs in "B" & "C" markets, and traveling in a van rather than a shiny tour bus.
So what I'm wondering is....do you really think Daughtry will fizzle out, as in have the plug pulled on him....as long as he keeps working (touring/recording/promoting then touring/recording/promoting again and again?) Or do you mean that he'll just cease to be the "it" boy on the charts?
I don't think Daughtry's handlers are going to let him fizzle at this point. They will steer him in whichever direction they feel he'll make
them the most cash the quickest. I think the wild ride he's on right now will subside though. That doesn't mean he won't still be on the charts or popular, but I don't think he'll be able to keep up this level of intensity, the frezy he's got going right now. I think his handlers are going to head him more towards the Hot AC world though, because short-term it's more profitable than mainstream rock. Handlers want to make as much cash quickly as they can, because an artist might drop them for another manager or label. In general they don't have the artists best interest at heart, they have the bottom line and profits. RCA is not generally known as a label that stands by artists having a slump either.
Right now it's almost "Daughtry Hysteria." People are into Daughtry because it's the cool thing to be into. But remember the Bay City Rollers? The Knack? Wilson Phillips? They each had a year of huge success, and where are they now? The same thing could easily happen to Daughtry. (And for the record, Wilson-Phillips had
extraordinary management and a great label--they sold 10 million CD's in one year!)
Just because an artist wants to keep working it doesn't meant that they can. If they can't sell CD's and concert tickets, then they are done. I've seen far to many artists become huge and then fall off the face of the earth just as quickly.
I've been in this industry for going on 30 years, and have seen just about everything happen. I've seen the good, the bad, and the really, really ugly sides of the industry. It's a slimey industry, probably about the slimiest. The average professional hit man probably has more scruples than some of the people I've encountered--I say that in all serousness. I hope that Daughtry has the brains to never, ever trust anyone with his money, and question everything. The most successful people I've met in this industry knew to never trust anyone--not even their friends--and to always watch their back and their wallet.
Sorry this was so long, and I hope it makes sense as to where I'm coming from.
Anne