Add command to download and extract wavs.
Add command to download and extract wavs.

googlei18n/language-resources,google/language-resources,google/language-resources,googlei18n/language-resources,google/language-resources,google/language-resources,google/language-resources,googlei18n/language-resources,googlei18n/language-resources,googlei18n/language-resources,googlei18n/language-resources,google/language-resources