First of all, Chapter 11 is a reorg as a going concern. Just because SIRI declares BK doesn't mean that they are shutting down. I am guessing that there are plenty of people who would love to buy SIRI for pennies on the dollar, with no debt, in a BK sale.
The real question is, does a debt-free SIRI have enough revenue to continue as a going concern? Can SIRI cut costs without alienating its most loyal listeners to its priciest programming (i.e., Howard Stern).
And you can insert my many earlier comments about software-defined radio (mobile Internet radio) here.
I found this link from 2007 on satellite channel ratings:
http://www.radio-info.com/in3_src/images/SP07_National_Satellite_P12.pdf . I wouldn't think that the ratings would be significantly different today for the purposes of this discussion.
Looking at the XM channels, I see the highest cume ratings (those over a 0.15) are on the following music channels:
50s on 5: 0.17
60s on 6: 0.25
70s on 7: 0.26
80s on 8: 0.26
90s on 9: 0.15
Willie's Place: 0.17, classic country
Highway 16 (The Highway): 0.22, current country
20 on 20: 0.42, CHR
Mix: 0.15, AC
Heart (Love): 0.19, soft AC
Blend: 0.22, soft AC
Flight 26 (The Pulse): 0.26, hot AC
XM Hitlist (Pop2K): 0.16, CHR
Top Tracks (Classic Vinyl): 0.24, 60s/70s AOR (was 70s-heavy under XM, now more 60s-heavy under Sirius)
Lucy (Lithium): 0.15, 90s alternative
Fox News also got a 0.19 share, the highest of any non-music format. I also noted that some of the channels in the 0.10-0.14 range included various flavors of country and alternative, as well as Watercolors (smooth jazz), Escape (beautiful music), and Big Tracks/Classic Rewind (70s/80s AOR).
I see the following:
1) Country, CHR, and AC do as well on satellite as they do on terrestrial. No surprise there.
2) Some niche formats that seem to do quite well compared to terrestrial are alternative and classic country, and to a lesser extent "environmental" formats such as smooth jazz and BM. How much of this is listener-selected vs. a substitute for Muzak I don't know.
3) Decades formats--particularly 60s, 70s, and 80s--do very well on satellite. 50s/60s/70s would translate to a terrestrial oldies or AM gold format. 80s--both CHR and AOR--seems to do well on satellite despite being a non-starter on terrestrial (except when masquerading as AC).
I would think that alternative, classic country, oldies, smooth jazz, and an 80s/classic alternative format are most significantly impacted by satellite.