More (something) than Carter('s) has (liver) pills old-fashioned
A great amount or number of something
She still doesn't stop shopping although she has more clothes than Carter has liver pills.
The company's got more financial problems than Carter's has pills. Sooner or later it goes bankrupt.
If you say that something is not so much one thing as something else, you mean it is less like the first thing than the second one.
Carter's little pills began as Carter's Little Liver Pills, a patent medicine developed in 1868 by Erie, Pennsylvania's Samuel J. Carter. At one time, everyone knew Carter's Little Liver Pills because they were advertised widely. So widely, in fact, that it seemed Carter had an endless supply of pills—which is why the saying originated as "more than Carter has little liver pills."
If you do something or something happens in a blaze of glory, you do it or it happens in an extraordinary and impressive manner.
The band intended to perform publicly and go out in a blaze of glory.