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Success story:

How Tonefest Guitar Gallery doubled ROAS and grew sales 36% with server-side tracking

While many are satisfied with music-as-a-hobby, Petri Matero has turned it into a €1.2mil per year business. Find how Tonefest Guitar Gallery stood up against the competition and doubled their ROAS in a challenging market dominated by large players.

A musician with a vision

Petri Matero is a sought-after speaker and marketing consultant who despite being involved in multiple business runs Tonefest Guitar Gallery himself because it combines his passion for music and business. 

The main physical store Tonefest Guitar Gallery is in an unassuming place just 20 minutes away from Helsinki airport. But at the time of writing this store is projected to end 2025 with €1.2mil in the bank, making it one of the largest used and vintage store musical equipment in the Nordics. The success has surpassed everyone’s expectations – including its founder Petri. 

The challenge (and the solution)

Petri’s challenge was quite clear:

  • …he is competing against large companies with tens of millions in ad budgets, who can “swamp” the market by buying out all available inventory
  • …conversion tracking was incomplete, limiting his ability to confidently optimize spend

Petri wasn’t facing a single acute problem, but saw the opportunity: better data = better performance. To win he needed better visibility into the full customer journey: 

→ from digital touchpoints to his online store and also offline in-store purchases

As Petri explains:

“It’s the only way to act bigger than you are. Giants throw money at ads – we have to be smarter.”

And that’s where Tracklution comes in – a friend recommended Tracklution to Petri. It matched perfectly his plan to “act bigger than you actually are” in digital marketing. A lot of advertisers think they’re too small for server-side tracking. But even small steps toward better data recovery can make a huge difference: helping your ad platforms break through learning phases faster, scale campaigns more effectively, and feed algorithms the data they need to truly optimize.

Ok, but what are the results?

Tonefest implemented Tracklution’s server-side tracking in June 2025. Since then:

x2

ROAS doubled from June to August

45%

Conversions recovered and fed back to ad platforms

+36%

Online store sales since June

But that’s not all:

  • Offline purchases tracked – by integrating Shopify POS, customers who browse online and buy in-store are now visible in Google Ads reporting which leads to better algorithm optimization
  • Confidence to scale – Petri has gradually increased spend, knowing ads are optimized with better signals.

Petri is clear about the difference Tracklution makes:

“If you are running a shop and serve every other customer with your eyes closed, that’s how marketing felt before. Tracklution lets me serve every customer with my eyes open.”

While other marketing activities (press articles, media mentions) also boosted visibility, Petri credits Tracklution with being a key enabler of sustainable growth with paid advertising: recovering conversions, powering algorithms, and giving him the confidence to spend smarter.

Why this matters

Tonefest proves that independents can compete against giants. With Tracklution’s server-side tracking, every euro works harder. Now Tonefest can keep building momentum by scaling ad campaigns with higher confidence and further optimize conversion events to train algorithms on the highest-value customers.

Tracklution is proud to support Tonefest — helping niche retailers win with better data, smarter marketing, and sustainable growth.

Want similar results? 

If you’re in retail – mixing both online and physical store - Tracklution might solve the same tracking gap for you too!

See for yourself how server-side tracking with Tracklution can help you capture more conversions and improve your ROAS. 

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