Let's start jamming Vikings - Biday Bondhu chords, familiarize yourself with these chords - B, G#m, C#, F#, G#m, B and C# in sequence. I suggest starting at a calm pace of 50 BPM, and as you gain confidence, approach the song's BPM of 101. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: C# Major.