Do loud noises and heavy bass effect your baby?

I'm 6 weeks pregnant and went to a lil wayne concert last night. The bass was so heavy that I stepped out and hung out in the hallway for awhile. I was probably around the heavy bass and loud music for 1 1/2 hours total. The internet has given me mixed reviews. Some articles are pretty scary saying it could cause chromosomal abnormalities and defects!! Some say it's not that bad. Do you all think it was harmful or no?