Castagnari vs Roland:Which is more popular?
In October 2026, Roland had more branded searches than Castagnari among accordion brands worldwide. Roland had about 1,600 branded searches, while Castagnari had 1,300. Roland made up 9.3% of all accordion brand searches we track, and Castagnari accounted for 7.6%. When we asked ChatGPT and Google AI Overviews about accordion brands, Roland appeared in three of the five answers and Castagnari in none.
Who do people search for more?
Roland, about 23% more searches than Castagnari
Who does AI mention more?
Roland, mentioned in 3 of 5 answers, Castagnari in 0
Who does AI recommend more?
Roland, the only one of the two named
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Top accordion brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and two Google AI Overviews, Roland was mentioned in three out of five: in two of the three ChatGPT answers and in one of the two Google AI Overviews. Castagnari did not appear in any of the five answers.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
Mentioned by AI
Each dot is one answer, filled in when that answer mentions the brand.
Hohner4 of 5Named in 3 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Roland3 of 5Named in 2 of 3 ChatGPT answersNamed in 1 of 2 Google answers
Scandalli2 of 5Named in 2 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Paolo Soprani0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
Castagnari0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers- Excelsior0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers
See every answer about accordion brands
5 answers
Asked ChatGPT
“What's the best accordion for a beginner?”
Asked ChatGPT
“Which accordion brand should I buy?”
Asked ChatGPT
“What are the best accordion makers?”
Searched Google, AI Overview
“accordion”
Searched Google, AI Overview
“accordion for sale”
Not named in any answer:
Brands are shown in the order each answer named them. The survey took place in the United States on October 27, 2026.
Is Castagnari or Roland more popular in search?
This chart shows how often people search Google for Castagnari and Roland by name. Each line represents a brand's share of searches for all six accordion brands we track, month by month, from English-language searches worldwide.
Share of searches by month for Roland, Castagnari. The figures are in the table below the chart.
View monthly share of searches table
| Month | Hohner | Paolo Soprani | Roland | Scandalli | Castagnari | Excelsior |
|---|---|---|---|---|---|---|
| Nov 2025 | 58.2% | 11.5% | 7.7% | 9.1% | 9.1% | 4.2% |
| Dec 2025 | 67.6% | 9% | 6% | 7.1% | 7.1% | 3.3% |
| Jan 2026 | 67.3% | 8.9% | 5.9% | 7.1% | 7.1% | 3.7% |
| Feb 2026 | 60.9% | 12.1% | 5% | 9.6% | 8% | 4.4% |
| Mar 2026 | 60.6% | 9.5% | 6.5% | 9.5% | 9.5% | 4.4% |
| Apr 2026 | 59.2% | 11.4% | 6% | 9.6% | 9.6% | 4.3% |
| May 2026 | 58.6% | 11.3% | 5.9% | 9.5% | 9.5% | 5.2% |
| Jun 2026 | 62.6% | 10.1% | 6.3% | 8.2% | 8.2% | 4.6% |
| Jul 2026 | 55.9% | 11% | 6.9% | 9% | 11% | 6.1% |
| Aug 2026 | 60.3% | 9.7% | 6.1% | 9.7% | 9.7% | 4.4% |
| Sep 2026 | 59.2% | 9.6% | 7.8% | 9.6% | 9.6% | 4.3% |
| Oct 2026 | 57.6% | 11.1% | 9.3% | 9.3% | 7.6% | 5.1% |
How has branded search for Castagnari and Roland changed worldwide over the last 12 months?
3 findings
- The lead changed hands once in the 12 months ending October 2026: Roland took it in October 2026.
- Across the 12 months ending October 2026, Castagnari’s share of searches among accordion brands worldwide moved from 9.1% to 7.6%, and its estimated monthly branded searches moved from 1.9K to 1.3K.
- Across the 12 months ending October 2026, Roland’s share of searches among accordion brands worldwide moved from 7.7% to 9.3%, and its estimated monthly branded searches held steady at 1.6K.
How did search popularity change for accordion brands worldwide in October 2026?
3 changes

In October 2026, Paolo Soprani overtook Castagnari to rank 2nd among accordion brands worldwide, with 11.1% of the searches.

In October 2026, Roland overtook Castagnari and Scandalli to rank 3rd among accordion brands worldwide, with 9.3% of the searches.

In October 2026, Castagnari lost share of searches among accordion brands worldwide, from 9.6% to 7.6%.
How are Castagnari’s and Roland’s branded searches counted?
2 search terms
Brandwave collects information about searches that people make online using Castagnari’s and Roland’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.
Castagnari
1 branded search term
- castagnari
Roland
1 branded search term
- roland accordion
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