The instrument is about 70 centimeters in length and can be compared to a guitar with regard to structure and playingtechnique. On a modern rajão the strings are made of metal. The rajão is tuned to D4-G4-C4-E4-A4, a reentrant tuning with the third string the lowest pitch. When it has 6 strings, the tuning becomes D4-G4-C4-E4-A4-A4. The rajão also comes with all five courses doubled, though these are less common.