Sound Plus Doctrine

Apr 14 2025 118 ep. 31 mins 189
Sound Plus Doctrine Podcast artwork

Sound Plus Doctrine, hosted by Bob Kauflin and David Zimmer, is the podcast of Sovereign Grace Music, designed for those who plan, lead, or participate in their church’s Sunday gatherings.

Bob has been a pastor for over three decades and leads Sovereign Grace Music. He’s well-known as a worship leader, songwriter, speaker, and author. David, his good friend, is an experienced drummer, vocalist, teacher, and songwriter. Both are now both part of Sovereign Grace Church in Louisville, KY, and they’d love for you to join them each week for an engaging, Christ-centered conversation about music and the church.

  Religion & Spirituality  Music
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Himnos: A New Spanish Album!

Apr 14 2025 39 mins  
In this episode, we sit down with Fabrizio Rodulfo to talk about Himnos, our latest Spanish album with Gracia Soberana Música. We reflect on the journey from our first Spanish projects to this new record, and discuss the heart behind translating timeless hymns for the church in Latin America. Fabrizio shares about the dynamic of […]

Is it Okay for Church Musicians to Play in Secular Bands?

Apr 07 2025 39 mins  
There are various reasons why musicians who play and sing for their church on Sunday mornings might choose to use their musical gifts in contexts outside the church. Is it always wrong? It is always right? What kinds of questions can we ask about our hearts to help us make wise decisions? Bob, David, and […]

Should We Sing More Simple Songs?

Mar 31 2025 38 mins  
Some worship songs move us emotionally but contain little that actually feeds our minds, while others feel like systematic theology set to music. In this episode, Bob, David, and Devon respond to a question from a listener who wonders if we need more theologically driven songs that contain simpler lyrics. We had a great time […]

Should I Show My Emotions When I Lead?

Mar 24 2025 39 mins  
Are you afraid you’ll be too emotional when you lead? What if you don’t feel anything? What is the place of emotions when leading congregational worship? A listener wrote in to ask about how much self-control leaders should exercise when it comes to expressing their emotions while leading. How do we avoid being manipulative? How […]

Fearfully and Wonderfully Made: An Interview with McKenzie Fuller

Mar 17 2025 39 mins  
Those who know Sovereign Grace Music, recognize the voice, if not the face, of McKenzie Fuller, Bob’s youngest daughter. In this episode, Bob & David talk with McKenzie about a dark season in her life characterized by depression, eating disorders, and self-destructive behavior, and how the Lord has redeemed it for her good and his […]

How Do You Handle Multiple Worship Leaders?

Mar 10 2025 26 mins  
More than a few churches have different people leading the singing on different Sundays. If not handled wisely, that can make it difficult for a congregation to learn songs or grow in a unified voice. In this episode, Bob and David talk about specific ways those situations can be avoided and multiple leaders can be […]

How Do You Audition Members For Your Team?

Mar 03 2025 38 mins  
One Sound Plus Doctrine listener wrote in to ask how we handle adding new members to the music team. In this episode, David and Bob talk about how we interview potential musicians at Sovereign Grace Church of Louisville and highlight principles you can put into practice in your church. Have a question about this episode? […]

Reflections on the Tenth Anniversary of Prepare Him Room

Dec 16 2024 32 mins  
It’s been ten years since the release of our Christmas album, Prepare Him Room. In this episode, Bob and David take time to look at the history of the album and the story behind some of the songs, including He Who is Mighty and Who Would Have Dreamed. We also talk about why we changed […]

Unpacking the Excuses Musicians Give

Dec 09 2024 35 mins  
Musicians are sometimes stereotyped as scattered, overly sensitive, lazy, emotionally driven, and more. Unfortunately, those stereotypes often have their roots in reality! Worse, we musicians can tend to use morally neutral words to justify our behavior, thinking that it just goes along with being an artist. In this episode, Bob and David pull the curtain […]

Help! My Church’s Song Diet Needs to Change!

Dec 02 2024 34 mins  
Through the years we’ve had quite a few people ask how you go about getting your church to sing songs that are more biblically faithful and theologically rich. Of course, a lot depends on what kind of role you play in your congregation. In this episode of Sound Plus Doctrine we explore some of the […]