The context of the following conversation is Alex had a long month of school he chose that he has to have a party at his house.:
Alex says After a month of studying hard at school, I wanted to throw a party at my house..
The friend responds Who did you invite?.
Alex responds Some new friends and some old ones came over..
The friend responds Did you have a DJ?.
Alex responds A buddy did spun some records.  He DJs for parties when he has time..
The friend responds Sounds like you guys had a great time..