Let's start jamming Os Incríveis - Czardas chords, familiarize yourself with these chords - Em, A, D, B, Gm, A, Dm and Gm in sequence. I suggest starting at a calm pace of 61 BPM, and as you gain confidence, approach the song's BPM of 122. Fine-tune the capo based on your vocal range, ensuring it complements the key of D Major.