I started out filming on my 4s on a microphone stand. I’ve since upgraded to a 6s and a tripod with a cell phone mount. I run through the entire song with my phone at one angle with the song playing on my speaker. Then I repeat with my phone at different angles. Then I use final cut and synchronize the angles and audio together so then I can the angles like multi cam. So it looks like I have multiple cameras set up. It takes me about an hour to film one video. I try to plan it out but then I just think too much so I’ll start with a little idea and then just get more ideas as I do it. I film them by myself as well. Hope this gets ya filming! Nothing fancy nothing crazy.
My phone mount: