As soon as I hear a sound, it always suggests a mood to me.
Software options proliferate extremely easily - too easily, in fact - because too many options create tools that can't ever be used intuitively. Intuitive actions confine the detail work to a dedicated part of the brain, leaving the rest of one's mind free to respond with attention and sensitivity to the changing texture of the moment.
I wouldn't call myself a synaesthete in the sense that Nabokov was. But I'll talk about a sound as being cold blue or dark brown. For descriptive purposes, yes, I often see colors when I'm listening to music and think, 'Oh, there's not enough sort of yellowy stuff in here, or not enough white.'
Musicians are there in front of you, and the spectators sense their tension, which is not the case when you're listening to a record. Your attention is more relaxed. The emotional aspect is more important in live music.