In the 1980s, Newcomer was a member of the pop-folk and acoustic group Stone Soup[6][7] which produced three albums: Sampler [1982], Long Fields [1984], and October Nights [1987], all now out of print.

After the first week in Delhi, she embarked on a tour schedule that included concerts and performance in the evenings and working with community service groups during the days.

[13] While in India, Newcomer performed concerts organized by the U.S. State Department and visited community service projects and facilitated workshops.

[14] In 2011, following her 2011 trip to India, she released the album, Everything is Everywhere, on Available Light Records which featured Amjad Ali Khan and his sons, Amaan and Ayaan on traditional Indian instruments.

The profits of "Everything is Everywhere" benefit Interfaith Hunger Initiative[14][16][17] In the article "Carrie Newcomer's cool fusion of East and West hooks listeners" Firstpost (Mumbai, India) identified Amjad Ali Khan and his sons, Amaan and Ayaan as "three of the best sarod players in the world".

Accorfing to Newcomer, this book and CD explore the themes of mystery and miracle in the everyday and the album is described by FolkWorks as "profound and poetic.

This collection refers to the Covid pandemic as "the great unraveling" and addresses big questions for society's work in process, and that healing after the crisis is not enough.

"[23][24] In more recent years her broadening into authoring books including poetry and philosophical works, and similar collaborations have represented a transformation into what sources have termed a "prairie mystic".

[25] With the release of her latest album and companion book, one review summarized it as "Newcomer's lyrics address the themes of living in challenging and changing times and finding hope in the patterns of nature and each other's company.

[24] In 2012, Newcomer performed at various locations in rural Chulaimbo Kenya as a part of the Interfaith Hunger Initiative and at the AMPATH HIV center in Eldoret.

[32] In 2010, Rich Warren host of the Midnight Special radio program selected Carrie Newcomer as one of the 50 most significant singer-songwriters of folk music for the last 50 years.

That year she wrote the national theme song for the YMCA[36] and collaborated with Scott Russell Sanders and folk songwriters Krista Detor, Tim Grimm, Michael White and Tom Roznoski on an album and theatrical production entitled Wilderness Plots.

She has donated money from sales of her cds to the Nature Conservancy and she has participated in benefit concerts in St. Louis and Tucson.

Newcomer has collaborated with author Parker J. Palmer on a number of projects including a song-and-spoken-word event called Healing the Heart of Democracy: A Gathering of Spirits for the Common Good and We Need it Here: Hope, Hard Times and Human Possibility.

In 1989, she wrote Sounds of the Morning for The Battle of Tippecanoe Outdoor Drama, about the land conflict between Tecumseh and William Henry Harrison.

"[45][46] "Transforming Stories" was a presentation by Newcomer and Dr. Jill Bolte Taylor a neuroanatomist and author of the book My Stroke of Insight.

[47][48] Newcomer also collaborated with authors Scott Russell Sanders, Philip Gulley and J. Brent Bill for the PBS special Festival of Friends: An Offering in 4 Quaker Voices.

[50] Jim Wallis is the author of the New York Times best-selling book God's Politics: Why the Right Gets It Wrong and the Left Doesn't Get It,[50] Newcomer has toured the United States, Europe, Africa and India including performances with Alison Krauss, Mary Chapin Carpenter,[51] American singer-songwriter David Wilcox in shows based on spiritual story, Amjad Ali Khan, Barbara Kingsolver, Parker J. Palmer, Jill Bolte Taylor, Scott Russell Sanders and Philip Gulley.

[52][53] In September 2012, the collaboration An Evening of Reflection, Conversation & Song: Taylor, Newcomer, and Sasso was hosted by the Athenaeum Foundation.

[12] Newcomer's musical development, approach and themes have been influenced by her evolution in spiritual, philosophical and humanitarian areas and endeavors.