The phrase "about your piece" is correct and usable in written English.
It can be used when discussing or inquiring about someone's work, such as an article, artwork, or project.
Example: "I wanted to ask you about your piece on climate change; it was very insightful."
Alternatives: "regarding your work" or "concerning your article".
Don't just think about your piece of the business.
Think about your piece of the business and the total business.
You've been working on a fantastic series on the topic, and I wanted to chat about your piece this past weekend about "teacher influencers". For readers who haven't had a chance to go through it yet, can you give us a brief synopsis?
Now decide what you want your picture to say about your piece.
While the notes an editor or agent make on the rejection slip should be considered, if you feel strongly enough about your piece, review it with a trusted friend, mentor or writing group before you make the edits.
Check with your teacher about your pieces.
Think of a politician you dislike -- maybe one of the Democrats Dean is battling -- and substitute his name for Dean's in any piece about your man.
Try to overlap objects and twist them about, remember that your piece doesn't have to look realistic.
"It's not just about getting your piece of the $6 billion pie, but also about getting new users that will come back to you throughout the year," she says.
When you're a deadline critic writing for a daily newspaper (I used to be one, for the Saint Paul Pioneer Press), sometimes the hardest thing about writing your piece — as the copy editor glowers in the cubicle down the hall — is getting started.
Burke also offers advice about structuring your piece, such as implementing effective transitions between subsections and using short paragraphs that each "introduce an interesting new idea with a topic sentence".
