sonaat
Sonaat is a term that appears infrequently in English-language texts and does not have a single, widely accepted definition. In most published works, it is treated as a misspelling or typographical variant of sonata, the classical musical form. Because there is no established entry for sona at in major reference works, its meaning can be unclear without context.
Etymology and usage in music. The word sonata originates from Italian, with a long-standing tradition in Western
Other uses and caveats. Outside formal music theory, sona at has occasionally appeared as a proper name,
In summary, sona at largely functions as a nonstandard or erroneous form of sonata in musical contexts.