Finding God Faithful in Unexpected Trials

We often find it easy to trust God when things are going well and difficult to trust him when our world is falling apart. But Scripture assures us we can “trust in the Lord forever, for the Lord God is an everlasting rock” (Isaiah 26:4, ESV). In this very personal episode David Zimmer and Bob […]

Idolatry on Sunday Mornings [Part 2]

We gather each Sunday as the church to hear from God and worship him as he has revealed himself to us in Jesus Christ. But we can subtly shift our worship to secondary matters like music, liturgy, or skill and end up engaging in idolatry. This is the part 2 of two episodes where David […]

Idolatry on Sunday Mornings [Part 1]

We gather each Sunday as the church to hear from God and worship him as he has revealed himself to us in Jesus Christ. But we can subtly shift our worship to secondary matters like music, liturgy, or skill and end up engaging in idolatry. This is the first of two episodes where David and […]

How Much Training Do I Need to Lead Congregational Worship?

One Sound + Doctrine listener wrote in to ask, “How much musical or theological training do I need to be effective in leading congregational worship?” While there are a number of factors to consider, Bob and David devote this episode to taking a stab at answering that question.   References and resources Systematic Theology by […]

What is a Woman’s Role in Leading Worship in Song?

More than a few women have asked us how we should view a woman’s role in leading music on Sundays in light of Scriptures like 1 Corinthians 11:33-35 and 1 Timothy 2:11-15. We invited Jeff Purswell, dean of the Sovereign Grace Pastors College, to join us for a conversation on how we can think about […]

Unchanging God

Sovereign Grace Music records songs that are meant to be sung in local churches, not just listened to. In this episode, Bob and David talk about how they have utilized the songs from Unchanging God, Vol. 1 in their Sunday meetings at Sovereign Grace Church of Louisville.  References: Unchanging God: Songs From the Book of […]

How Should God’s Word Function In Our Sunday Gatherings?

People sometimes view the music and the preaching on Sunday morning as unrelated. But God intended Scripture to govern, guide, fill, and fuel our times together. What does that mean for how we structure and lead our gatherings? That’s the topic David and Bob discuss with Jeff Purswell, dean of the Sovereign Grace Pastor’s College, […]

How Can We Share Musical Opinions Humbly?

Band rehearsals for Sunday morning can sometimes reveal differing thoughts on how songs should be sung, played, and interpreted. How do we share those thoughts humbly, while continuing to pursue musical excellence? That’s the topic David and Bob dig into on this episode of Sound + Doctrine. References: Proverbs 12:15 Proverbs 21:2 Romans 12:16 Colossians […]

Backing Tracks – Blessing or Curse? Or Something in Between?

For about 15 years now, churches have had the option of using instrumental and vocal tracks to supplement or replace live musicians on Sunday mornings. In this episode, Bob and David ask what the benefits and drawbacks of adopting backing tracks might be and consider what the Bible has to say to help us. Have […]

The Gospel’s Effect on Life and Songs – An Interview with Caroline Cobb [Part 3]

In part 3 of an interview with singer/songwriter Caroline Cobb, Bob & David talk with her about the effect the gospel has had in her parenting as well as the story she seeks to tell through her songs. References: Psalms: The Poetry of Prayer: https://slinky.to/PsalmsThePoetryofPrayer Have a question about this episode? Send us an email […]

Should We Sing Songs from Questionable Sources?

How should we think about singing songs by artists or ministries that we have theological concerns about? Are there any biblical principles to guide us? That’s the conversation Bob Kauflin, David Zimmer, and Devon Kauflin engage in on this episode of Sound Plus Doctrine. Have a question about this episode? Send us an email at […]

Navigating Motherhood and Artistry – An Interview with Caroline Cobb [Part 2]

In part 2 of an interview with singer/songwriter Caroline Cobb, Bob & David talk with her about the challenging task of pursuing a career as an artist while maintaining priorities as a wife and mom, and doing both for the glory of Christ. References: Psalms: The Poetry of Prayer: https://slinky.to/PsalmsThePoetryofPrayer Have a question about this […]

Family Worship

God makes it clear in Deuteronomy 6, Ephesians 6, and other Scriptures that parents are responsible to raise their children to trust in Christ and walk in obedience to God’s commands. But for many parents, the topic of family worship brings up feelings of discouragement, failure, or striving. In this episode, Bob and David talk […]

How Should We Think About Lighting On Sunday Mornings?

To kick off season 6 of Sound Plus Doctrine, Bob Kauflin, David Zimmer, and Devon Kauflin dive into what the Bible has to say about lighting in our Sunday gatherings. Does it matter? Is it just a matter of preference? What does the lighting on Sunday mornings say to your church? Enjoy the conversation! Have […]

What Do You Do When You Have Problems With the Songs You’re Singing on Sundays?

A podcast listener sent in this question, asking what to do when the songs your church is singing are problematic, either for musical or theological reasons. It’s a question we’ve received more than once, and in this episode David and Bob seek to provide biblical and practical answers. Have a question about this episode? Send […]

How Should We Think About Technology in Our Sunday Gatherings?

In a world that breathlessly awaits hearing how the latest technology is going to make our lives better, eaiser, and more fruitful, how should the church respond? In what ways do musical, audio, and visual technologies change us as we use them? Does God’s Word have anything to say to us about technologies that didn’t […]

What is the Role of the Senior Pastor?

It’s not uncommon for a senior pastor to focus on preaching and give little to no attention to other aspects of the Sunday gathering. In this episode, David Zimmer and Bob Kauflin are joined by Jared Mellinger, senior pastor of Covenant Life Fellowship in Glen Mills, PA, to talk about the important role a senior […]

How Do I Lead Songs For A Youth Group?

Few things can be as disheartening as trying to lead a group of unresponsive teens in congregational worship. A faithful listener sent in an email asking what to do in that situation, and how to effectively encourage your musicians. Bob, David, and Devon tackle that question and seek to steer us away from thinking music […]

Behind the Song: All of Our Tomorrows

In this episode, Bob and David are joined by Dave Fournier and Ryan Foglesong, writers of the new hymn, All of Our Tomorrows. It’s a fascinating conversation that touches on the songwriting process, the benefit of relationships, and the importance of singing songs that remind us this world is not our home. Watch the live […]