SELECT
    c.FirstName ,
    c.LastName,
    c.Country,
    i.BillingCountry,
    i.CustomerId,
    i.InvoiceDate,
    i.InvoiceId,
    i.Total,
    ii.TrackId,
    ii.UnitPrice,
    ii.Quantity
FROM invoices i
INNER JOIN customers AS c
ON i.CustomerId = c.CustomerId
INNER JOIN invoice_items AS ii
ON i.InvoiceId = ii.InvoiceId
WHERE c.country = "Brazil";