Arabic speakers, please translate for me? ?

well,i didn't get it all,cuz it's written in english letters,but the song is about the' MESSENGER MOHAMED ' '''SALLA ALLAH ALLAIH WA SALLAM it means god bless him'''''''''''''and they're welcoming him,i think that's either when he came to al Medina' in the past of course' or they're singing it because of THE HOLY MONTH OF RAMADAN ,btw where r u from?