To learn Prithibi - Classroom chords, your first step should be understanding these chords - F#, D#m, B, F#, C#, B, C# and D#m in sequence. A good strategy is to initiate at 70 BPM and then accelerate to the track's regular speed of 140 BPM. With F# Major as the song's key, tweak the capo to cater to your vocal pitch and chord likes.