The most common and most likely answer to this crossword clue is the 10 letter word DIDGERIDOO
I've seen this crossword clue in Independent
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More clues leading to the result DIDGERIDOO
- Was I making cipher having pinched German instrument?
- Instrument blown: were only Victoria, Emma, Mel B and Mel C performing?
- It’s used in Bush, but was there nothing from Halliwell?
- Old queen pens dirge composed on old instrument
- Was there nothing Ginger Spice accomplished that’s musical?
- Instrument familiar to pre-Victorians?
- Did Ginger Spice play old instrument in verse 6?
- Was Spice Girl playing old wooden instrument?
- Did one of the Spice Girls do nothing that might appeal to Aussie music lovers?
Buddy explains!

The straight part
We know that "It’s used in Bush" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case it’s used in bush = didgeridoo.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does DIDGERIDOO mean?
DIDGERIDOO noun- A musical instrument endemic to the Top End of Australia, consisting of a long hollowed-out log, which, when blown into, produces a low, deep mesmerising drone with sweeping rhythms