Looking on the internet deeply has found these results:

I was there for an audition is the most popular phrase on the web.

I was there on an audition 10 results on the web	I was there for an audition 13 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	The guard wouldn't let me in I was there for an audition for a TV show. The hotel was right next to the bus stop I needed to get to and from the convention center. I liked that there was a fridge�... he didn't believe I was there for an audition. When they brought me back for the final callback for NBC, they said, 'By the way,�... Sep 1, 2015 ... I entered the theatre through the front door, nervous and palms sweating as though I was there for an audition. As I was escorted through the�...

I was there on an audition

10 results on the web

I was there for an audition

13 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

The guard wouldn't let me in
I was there for an audition for a TV show. The hotel was right next to the bus stop I needed to get to and from the convention center. I liked that there was a fridge�...
he didn't believe I was there for an audition. When they brought me back for the final callback for NBC, they said, 'By the way,�...
Sep 1, 2015 ... I entered the theatre through the front door, nervous and palms sweating as though I was there for an audition. As I was escorted through the�...