marshallmusic: Ain’t No Mountain High Enough - Marvin Gaye & Tammi Terrel Hey join me on a duo if you want! Let’s sing together #acapella #joinmycollab #cover #acousticcover #guitar #acousticguitar #singing #harmony #bass #drums #mashup #instamusic #multiinstrumentalist #piano #collab #harmonies #harmony #acousticversion #instavideo