Party Culture
The Corps all function as much through social parties as through actual business.  At a high level, there is crossover.  Even a staid Standard Oil exec may attend a ParaCentury Party, and vice versa.  That said, the natural alliances tend to be ParaCentury and Standard at the poles fighting for influence over UFP, which is really more diverse.  The military tends to stand more on the Standard end, and UFP tends to fall out in alliance loosely with ParaCentury. It's worth understanding that the general trend does not count individuals.  A given Standard Exec might call ParaCentury parties "disgusting" and refuse to attend, and a given ParaCentury exec may deplore Standard Parties as "boring"  At the highest level though there is crossover.
 
There is a lot of entertaining, and while some parties are pre-eminent, there are probably twenty or thirty a night in various clusters of social connnections, political plotting and so forth. 
 
EDM Culture
Various events staged outside the Corp Structure provide a logical Neutral ground as well a an entertainment outlet.  To some extent this may be more interesting to ParaCentury than anyone else, and certainly you are not going to see a lot of Standard Executives at most big Raves.  But L.A. loves what is trendy, the Corps don't control everything and there is enough of an independent arts culture to force some bend to trend even on the Corp Culture.  EDM Culture also fills the need for "above the street" to meet "below the street" which is critical for a lot of goods (personal services, drugs, etc) to pass back and forth. 
 
It's reasonable to assume that most of the L.A. Characters by virtue of their JET connections, are getting invitations to parties, etc., and getting into various EDM and related events is more a matter of being trendy and known.  Since JET members tend to be celebrities, this is a given.