Calibrations measure the music of the artist or band but omit contributions beyond that context such as hired songwriters, guest performers and other collaborators.
Andrea Bocelli & Shania Twain - From This Moment
Twain wrote the song during a soccer game in Italy more than 25 years ago. In this release, it's an Italian / English duet.
Rush (band)
"Rush were known for their virtuosic musicianship, complex compositions and eclectic lyrical motifs drawing heavily on science fiction, fantasy and philosophy" -- wikipedia.
Depeche Mode
...have had 54 songs in the UK Singles Chart and 17 Top 10 albums in the UK chart; they have sold more than 100 million records worldwide -- wikipedia.
Deuter (music)
Music with a "meditative style that blends Eastern and Western musical elements."
Kanye West
"rapper, singer, songwriter, record producer, and fashion designer. One of the most prominent figures in hip hop, he is known for his varying musical style and polarizing cultural and political commentary" -- wikipedia.
The Lion King soundtrack, This Land
Request: This music is probably in the 500s.
"Songs of Clear Light" devotional chants
Priority request: Last night Boris Grebenshchikov sang a few songs at a Krishna Das performance, and Boris's music moved the audience to tears
Peaceful Gregorian Chants - Dan Gibson
Album is on YouTube and embedded, here.
Fall On Me - Andrea Bocelli, Matteo Bocelli
"Anyone who is a parent, anyone who knows the precious responsibility of being a mother or a father, will fully grasp the meaning of this piece" -- Andrea Bocelli.
Led Zeppelin
Doc mentioned them in his PhD dissertation, if I recall.
O Ignis Spiritus Paracliti - Corey McKnight
"All praise to you, you who are the song of praise and the joy of life, you who are hope and the greatest treasure, bestowing the gift of Light" - PoetryChaikhana.com. Priority request.
Praise to the Lord, the Almighty - Concordia Publishing House
Priority request. Album: Hymns for All Saints: Adoration, Praise, Comfort.
lullaby
"The music is often simple and repetitive. Lullabies can be found in many countries, and have existed since ancient times" -- wikipedia.