Okay, this is not computer related, but if you take the time to watch this video it's great insight into the technical issues and techniques used to make the record of a song like this. Audio/tech people ... watch it, it's worth the 27 minutes of your life. It's Brain May, Queen's lead guitarist, narrating. Queen - The Making Of 'Bohemian Rhapsody' ... The science of sound recording and what you actually hear when all is said and done is amazing. This was when the quality and composition of what you got in a song was considered more important than how well it sold.