To start learning 안치환 - 내가 만일 chords, delve into these chords sequence to get the song's feel: C#, F#, G#, C#, A#m, C#, A#m and F#. To master the tempo, it's wise to start at 77 BPM before aiming for the song's 154 BPM. Considering the song's key of C# Major, position your capo to suit your vocal and chord preferences.