Wrote is the past tense of the irregular verb write. Follow the link to listen to some examples.

Who'll come a Waltzing Matilda with Me?
A National Library of Australia website explaining Australia's most famous song.

Took is the past tense of the irregular verb take. Follow the link to listen to some examples.

become popular

Australian or New Zealand soldiers, especially from the First World War

If you take a liking to something, you start to enjoy it or begin to like it.

Came is the past tense of the irregular verb come. Follow the link to listen to some examples.

Grew is the past tense of the irregular verb grow. Follow the link to listen to some examples.

Here felt is the past participle of the irregular verb feel. Follow the link to find out more and to listen to examples.

Here kept is the past participle of the irregular verb keep. Follow the link to find out more and to listen to examples.

Here stuck is the past participle of the irregular verb stick. Follow the link to find out more and to listen to examples.

To be caught out is to be in an awkward position because you haven't prepared as well as you should. Richard means that they sometimes don't have the things people expect to find.

For more meanings of the phrasal verb catch out, follow the link.

To tune up is to adjust a musical instrument so that it produces the right notes.

For more meanings of the phrasal verb tune up, follow the link.

Here spent is the past participle of the irregular verb spend. Follow the link to find out more and to listen to examples.

To hear of something by word of mouth is to hear it from other people and not from the media.