last minute callback email

I sent in a video audition about 6 days ago and honestly was not expecting to hear back as I knew the website said today (Nov 1) was the last day to hear back and I had sent in a video last year with no response. I just got a phone call from a producer though that I happened to miss by accident. She left a voicemail and I also received an email from her basically stating that they would love for me to meet with producers on a zoom call tomorrow that they know its a bit of a quick turn around but they are on the last leg of auditions so they want to get me in ASAP. I was told to prepare 2-3 songs with a verse and chorus of each. I am kind of freaking out as I wasnt expecting it and its so last minute. Anyone else experience anything similar or can share their callback experiences with me? No clue what to expect. Thank you!!