Gibson SG Tribute guitar, 2023, $1700 Canadian dollars. Strum strings without amplifier to hear good tone; best in class for its price. With two angle bridge saddle location adjustments for a slanted bridge for chromatic and natural scale intonation tuning. For better intonation tuning for a wider fretboard range. For intonation tuning adjust the bridge saddle locations until the twelfth fret notes are equal to and sound the same as their corresponding twelfth fret harmonic pitches on each string with using the ear, and intonate the frets by adjusting string lengths using a few to five songs on a single string and chords for final tuning. Tighten the truss rod bolt to move strings closer to the fret board.