This The Sound of muziki screencap contains
fedora, waliona kofia, homburg, stetson, trilby, and kofia feli.
There might also be
boater, leghorn, panama, panama kofia, baharia, skimmer, kofia majani, kofia ya panama, kiparara, kofia ya majani, porkpie, porkpie kofia, suti biashara, and biashara suti.
Here's a video comparing Maria's blue chiffon dress with the Edelweiss Patterns version of "Maria's Gazebo Dress".(The reproduction dress is available at link