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2023 9 SepSound Summit 2023 3 Artists, 3 Concerts -
2022 22 OctSound Summit 2022 3 Artists, 3 Concerts
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2021 11 SepSound Summit 2021 4 Artists, 4 Concerts
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2018 8 SepSound Summit 2018 5 Artists, 5 Concerts
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2017 9 SepSound Summit 2017 5 Artists, 5 Concerts
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2016 17 SepSound Summit 2016 4 Artists, 4 Concerts
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2015 19 SepSound Summit 2015 4 Artists, 4 Concerts
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1967 1 JulFestival of Growing Things 1967 8 Artists, 10 Concerts
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1967 10 JunFantasy Fair and Magic Mountain Music Festival 1967 12 Artists, 12 Concerts