Ernesto Nazareth's 'Tango brasileiro' is a quintessential example of his fusion of European salon music with Brazilian rhythms. It captures a vibrant and sophisticated urban flair.
Mastering the characteristic syncopated rhythms and maintaining a flowing legato line are key.
1299 (Tango brasileiro) is rated Henle level 7 of 9 — late advanced repertoire, roughly ABRSM grade 8 and above. In the RCM system it corresponds to about level 8.
You should be comfortable at Henle level 7 — meaning you can already play level 6–7 pieces cleanly. Learning it one level early is possible as a stretch piece, but more than that usually leads to months of frustration.
A typical performance of 1299 (Tango brasileiro) lasts about 3.5 minutes.
1299 (Tango brasileiro) is available as free public-domain sheet music on IMSLP — the score is linked directly from this page.