Original Theme Song for Feature Film

My name is Evan Iervasi. I am currently working in conjuction with a few other local LA prodcuers on a SAG/AFTRA, IATSE feature length film adapted from a novel, and based on true events; the film is slated to be released to select theaters on May 23rd, 2024. I am reaching out because we would like to produce an original theme which would play in full or in part over the opening credits. We have a female lead singer, but will need a male for background vocals, we do not have any lyrics...yet, but we have a lot of ideas and referances, and so forth. I was hoping to chat with you and possibly discuss if our team could collaborate with you to produce the song? Full disclosure - we would be starting from scratch. Hope to talk with you soon, Evan

Additional info:
I'll need you to master it too if possible. I don't have a hard deadline for this. I need the mixer to do some editing, time aligning and vocal tuning before mixing. I'm interested in working with a very experienced mixer. . I need someone to help with the entire song-making process - writing, arrangement, creating background music/beat, other instrumentation, mixing and mastering. I'm an indie artist.