(1) Drums: The drums provide a steady beat and rhythm throughout the song, particularly during the verses.
(2) Bass: The bass guitar plays a prominent role in the song's verses, establishing the harmonic foundation.
(3) Guitar: An acoustic guitar is used to accompany the verses, providing a melodic texture and supporting the vocals.
(4) Hammond Organ: The Hammond organ is extensively featured in the song. It creates the distinctive, uplifting organ sound during the instrumental passages and serves as a foundational element throughout.
(5) Strings: A string section, including violins, violas, and cellos, adds warmth, depth, and orchestral grandeur to the song's arrangement. The strings play sweeping melodic lines and provide rich harmonies.
(6) Horns: A brass section, consisting of trumpets, trombones, and saxophones, adds a lively, energetic tone to the song. The horns play lively riffs, punctuations, and solos, especially in the bridge and outro sections.
(7) Synthesizer: A synthesizer is used to create additional texture and layers of sound during the song's instrumental passages.
(8) Tambourine: A tambourine is used to add rhythmic accents, particularly during the chorus and bridge.
(9) Piano: The piano is played lightly in the background, providing harmonic support and adding delicate accents.
(10) Vocals: Of course, the lead and backing vocals of Marvin Gaye and Tammi Terrell are the central elements of the song. Their soulful and passionate delivery bring the lyrics to life and create the emotional core of "No Mountain High Enough."