I'm doing the ST general knowledge xword; stuck on last 3
9ac, 7 letters, form of electronic dance music: d???t?p
10d, 6 letters, wireless transmitter used as aeronautical or nautical guide: ??a?o?
34d, 2 words 6,5, baritone best known for Schoenberg interpretations: g?n?e?, r?i?h