Here's what I use for this song and it works well for me.

****** Song Summary *************
Title: Untitled Song
File:wonderful tonight.SGU
Key=G , Tempo 89, Length (m:s)=10:06
No intro. 74 bar chorus, from bar 1 to bar 74. Repeat x3 choruses
No Melody
No Soloist track.
Song is saved with Volume, Pan, Reverb, Chorus, Bank0,
Style is _PBALADM.STY (Med PopBal w Dreamy ElGt (85 RS))
Style MIDI Instruments are :
RealTracks in style: ~518:Bass, Electric, Pop HalfNotes Ev 085
RealTracks in style: ~365:Guitar, Acoustic, Fingerpicking Ev 085
RealTracks in style: ~362:Guitar, Acoustic, Strumming Ev 085
RealTracks in style: ~542:Guitar, Electric, Rhythm Dreamy Ev 085
RealDrums in style: NashvilleEven8^5-a:Snare, HiHat , b:Snare, Ride
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Richard