Use strict fret-hand muting. Release pressure immediately after a note sounds to prevent chords from ringing together. Multi-String Legato and Tapping
If you actually want the real resource: search for “Advanced Arpeggio Soloing for Guitar” by Tim Miller (his PDF/book is widely considered top-tier), or check out Frank Gambale’s “Monster Licks & Speed Picking” — both cover advanced arpeggio concepts in deep, systematic ways. advanced arpeggio soloing for guitar pdf top
Pick one backing track with a static chord (e.g., Am7). Spend 10 minutes soloing using only C Major 7 arpeggios over it to master the Em7/Am7 substitution sound. Use strict fret-hand muting