| Links | |
| Below are some links of interest. | |
| What is Barbershop? (the art of four part harmony) | |
| Sweet Adelines International | |
| Region 25 (home of Top of the Rock Chorus) | |
| Region 25 Choruses | Region 25 Quartets | |
| Other Regions (in the United States, Canada, Europe, Australia and New Zealand) | |
| Pitch Pipe Magazine (official magazine of Sweet Adelines International) | |
| Top of the Rock Chorus (Facebook) |
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| Top of the Rock Chorus (MySpace) |
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