I want to work on "sight harmonization," as in being able to hear a line and harmonize it on the fly without having to think about it too much or write it out, like I have to now.
I have the ear to identify the melody, it's just a matter of training myself to get away from that note and automatically identify the appropriate third or fifth.
Does anyone know of some good songs or backing tracks that have slow, consistent melody lines that repeat a lot? I would prefer if they did not have harmony lines already as that screws with my pitch sense and I don't think they'd help me much with my end goal.
Any tips others might have with regards to this sort of thing would be appreciated too. (I'm looking at you two-guitar band guys, Mike and Dave)
If you're doing it in a band context, generally, you're not gonna make a harmony on the fly. In my band (Granted, you don't generally do too crazy of harmonies in old school death metal, but..), I've worked out all the harmonies beforehand.
Generally, though, i just know the key of the passage, and can come up with a harmonies really easy off of that. IE, 5ths, move everything up 7 frets and play the same shape. 6ths are the same thing as thirds, but inverted, etc. What i would do is take melodies and riffs you already know, and record them like, 8-12 times in a DAW, and just try harmonizing over it.