How do you get copyright permission to use Glen Miller songs in a presentation?

To obtain copyright permission for using Glenn Miller songs in a presentation, you should first identify the rights holder, which is typically a music publisher or record label. You can contact them directly to request a licensing agreement, specifying how you plan to use the music. Additionally, you may consider using licensing services like ASCAP or BMI, which manage rights for many artists. Always ensure you have written permission before using the music to avoid copyright infringement.