Q18 Bassa Capella

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Deprecated function: Return type of DatabaseStatementBase::execute($args = [], $options = []) should either be compatible with PDOStatement::execute(?array $params = null): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 2244 of /is/htdocs/wp12201812_IAZSVZQNAR/www/michaeldollendorf/prod_new/includes/database/database.inc).
Deprecated function: Return type of DatabaseStatementEmpty::current() should either be compatible with Iterator::current(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 2346 of /is/htdocs/wp12201812_IAZSVZQNAR/www/michaeldollendorf/prod_new/includes/database/database.inc).
Deprecated function: Return type of DatabaseStatementEmpty::next() should either be compatible with Iterator::next(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 2346 of /is/htdocs/wp12201812_IAZSVZQNAR/www/michaeldollendorf/prod_new/includes/database/database.inc).
Deprecated function: Return type of DatabaseStatementEmpty::key() should either be compatible with Iterator::key(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 2346 of /is/htdocs/wp12201812_IAZSVZQNAR/www/michaeldollendorf/prod_new/includes/database/database.inc).
Deprecated function: Return type of DatabaseStatementEmpty::valid() should either be compatible with Iterator::valid(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 2346 of /is/htdocs/wp12201812_IAZSVZQNAR/www/michaeldollendorf/prod_new/includes/database/database.inc).
Deprecated function: Return type of DatabaseStatementEmpty::rewind() should either be compatible with Iterator::rewind(): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 2346 of /is/htdocs/wp12201812_IAZSVZQNAR/www/michaeldollendorf/prod_new/includes/database/database.inc).
Deprecated function: Return type of DatabaseCondition::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in require_once() (line 1652 of /is/htdocs/wp12201812_IAZSVZQNAR/www/michaeldollendorf/prod_new/includes/database/query.inc).
Deprecated function: Creation of dynamic property MergeQuery::$condition is deprecated in MergeQuery->__construct() (line 1344 of /is/htdocs/wp12201812_IAZSVZQNAR/www/michaeldollendorf/prod_new/includes/database/query.inc).
Deprecated function: Creation of dynamic property DatabaseCondition::$stringVersion is deprecated in DatabaseCondition->compile() (line 1865 of /is/htdocs/wp12201812_IAZSVZQNAR/www/michaeldollendorf/prod_new/includes/database/query.inc).
Deprecated function: Creation of dynamic property DatabaseCondition::$stringVersion is deprecated in DatabaseCondition->compile() (line 1865 of /is/htdocs/wp12201812_IAZSVZQNAR/www/michaeldollendorf/prod_new/includes/database/query.inc).
Deprecated function: Creation of dynamic property DatabaseCondition::$stringVersion is deprecated in DatabaseCondition->compile() (line 1865 of /is/htdocs/wp12201812_IAZSVZQNAR/www/michaeldollendorf/prod_new/includes/database/query.inc).
Deprecated function: Creation of dynamic property DatabaseCondition::$stringVersion is deprecated in DatabaseCondition->compile() (line 1865 of /is/htdocs/wp12201812_IAZSVZQNAR/www/michaeldollendorf/prod_new/includes/database/query.inc).

The Bassa Capella is the soft pendant to the Alto Capella. Here it's viols, lutes, harps, flutes and other soft instruments that play together.

Bologna Q18 is another famous manuscript with mostly 4-part music from the first third of the 15th century.