The same arpeggio pattern (see scale degrees below staff) sounds worse accompanying the IV chord than the I chord in C major here. It is the same relative pattern (scale degrees are consistent) so why does the pattern sound so much worse against the IV chord? That D note especially . . .
Please see below:
I always seem to have difficulty with writing arpeggios. Do you have any suggestions for writing satisfying arpeggios? Something more than just outlining the basic triad . . .