Summarizing invoices totals by piano is easy!
FROM THE WEB APP
Step 1: Click to Open/Create a new invoice.
Step 2: Check the "Summarize amounts per piano" box.
Step 3: Save & done.
FROM THE MOBILE APP
Step 1: Tap to edit an invoice.
Step 2: Scroll down and toggle the 'Summarize amounts per piano' option.
Step 3: Save & done.