I'll add my two cents in for some solo guitar. Mostly, I'm thinking of acoustic guitar, but these riffs are general enough to be done on clean electric. Basically, in the same genre as Rhythm CountrySwingCleanPicked Sw 110, but a bit less "country" and perhaps a bit more "blues".

Listening through my favorite middle of the road albums for example, it's a bit surprising how "solos" were few and far between. Mostly, there are short riffs that fill in at the end of phrases and sections - most last ast the most only a measure or two.

Artists that I associate with acoustic guitar - America, Dan Fogelberg, Indigo Girls - often don't have "flashy" licks, but instead use simple stuff like pentatonic moves, scalewise motion, and suspensions. It's all very understated, mixed in with fingerpicking or strums.

The James Taylor style incorporates the licks into fingerpicking patterns. This makes it hard to isolate them, and they also have a very distinct style to them. I love the JT style (and would love to have that as a style!), but I've tried to keep the examples generic.

In listening for what I though would be "generic" riffs, I've tried to eliminate repeated riffs such as in "Ventura Highway", as well as melodic lines that are closely tied to the melody. Some specific examples:

America/Homecoming/Ventura Highway
0:44 - twinned descending line
1:52 - hammered on descending lick

America/Hearts/Sister Golden Hair
0:29 - arpeggios
1:02 - hammered on descending lick

Indigo Girls/Rites of Passage/Galileo
2:20 - hammer on suspensions,
2:39 - hammer on/pull off descending line

Indigo Girls/Swamp Ophelia/Power of Two
Intro - lots of riffs
1:34 - hammer on and slide

Carole King/Tapestry/So Far Away
0:04 - scales and suspensions
0:59 - hammer on/off riff
3:18 - extended lick
3:27 - ascending scale

Carole King/Music/Sweet Seasons
1:05 - hammer on riffs
1:58 - bluesy guitar hammer on riff
2:15 - bluesy riff repeats...

Carole King/Music/Some Kind of Wonderful
0:12 - James Taylor chordal suspension riff
0:27 - pentatonic ascending riff
0:38 - high guitar on thirds
0:45 - hammer on riffs
1:07 - thirds
1:10 - another hammer on riff
1:18 - descending riff
1:21 - hammer on riff
1:30 - hammer on riff
etc...
1:58 - thirds
etc...

Carole King/Music/Growing Away From Me
0:03 - descending hammer on/off riff
0:08 - sliding suspension riff
0:21 - bluesy thirds
etc...
0:54 - parallel thirds riff

Carole King/Music/Too Much Rain
0:46 - nice hammer on/off riff
1:02 - ascending pentatonic riff
1:19 - descending parallel thirds
2:02 - hammer on/off riff
2:07 - extended hammer on/off riff (very JT sounding)
2:14 - hammer on/off riff

Dan Fogelberg/Captured Angel/Comes And Goes
0:42 - riff in thirds
1:02 - ascending scale
1:11 - slide
1:32 - descending scale
1:42 - ascending scale
2:00 - riff in thirds

Dan Fogelberg/Captured Angel/Old Tennessee
0:30 - riff using suspensions
0:49 - another hammer on suspension riff
1:00 - ascending scale riff
1:10 - riff using suspension
1:16 - descending scale
1:41 - hammer on suspension
1:50 - parallel thirds
1:57 - slide
2:03 - riff built around a suspension
2:10 - another descending lick using hammer ons with suspensions
3:02 - ascending scale

Yes, I know that's JT playing on Carole King's songs. But I tried to identify riffs that were fairly generic. This isn't intended to be an exhaustive list, but get the general flavor. If people are looking for something else, please chime in and correct me!

I think that this sort of style - with simple arpeggios and runs under melody, and fills at the end - would be a great addition to the RealTracks style.

It would also be nice to have a more "bluesy" approach as well, perhaps done on clean electric guitar.

-- David Cuny
My virtual singer development blog

Vocal control, you say. Never heard of it. Is that some kind of ProTools thing?