+**Alto** refers to a [Vocal Range](/wiki/vocal-range) typically for female voices, lower than soprano and higher than tenor, or for countertenors. It also names various instruments, such as the [Alto Saxophone](/wiki/alto-saxophone), which produce sounds within a similar pitch spectrum. This foundational voice or instrument part often forms a crucial harmonic layer in [Ensembles](/wiki/ensemble).
+## See also
+- [Soprano](/wiki/soprano)
+- [Tenor](/wiki/tenor)
+- [Bass](/wiki/bass)
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