Taking it Beyond Rhythm
Modern drum set can be utilized to play a rhythm, a solo, or a rhythm and a solo simultaneously!
Two separate melodies vs rhythm and harmony
Taking approach utilized in organ, where player is performing 2 separate melodies using feet and arms, a drummer, is able to "keep the rhythm" while simultaneously accentuate, or play accompaniment to a lead musical voice by harmonizing a guitar lick or a vocal melody.
From harmonic drumming to a leading voice
"A drummer utilizing harmonic drumming can potentially become the leading voice in a musical composition."