What are your favorite film scores? Three of my favorites are from: Last of the Mohicans (Trevor Jones and Randy Edelman), Star Wars saga (John Williams), and Rush (Eric Clapton). Are there any others you would recommend?

Obviously, the effect of moving the slider on the volume control module is to change the volume. What, exactly, does it do to accomplish this? In theory, are there any additional effects other than simple volume control? Turning down the volume on the IEM's and turning the source volume to...

Do any iPod models besides 1st generation Shuffle utilize push-pull output? If so, which ones? Also, what are the practical advantages of push-pull output over single-ended output, aside from better sustained bass output? Are there any significant disadvantages of push-pull?