Misc: In 1938 ---------- Zeppelin II, world's largest airship, makes maiden flight. ?

Questions

- The C clef on the fourth line.?

(It.) - A held or sustained note (of a single note or chord) where one might expect to play staccato. Abbreviation is ten.?

- A composition in three sections in the form A B A with the first section (A) being repeated (not necessarily exactly). B represents a different middle section.?

(It., 'texture') - The natural compass of a singer's voice, or simply the compass of a vocal or instrumental part in a composition.?

- A melodic group of notes forming the basis or chief idea in a composition by repetition or development. In musical analysis it is equated with subject. The term theme and variations describes a long musical statement which is developed.?