To jam and learn the simple chords for Nat King Cole - Im Lost chords, practice playing G#, C#m, B, D#m, C#m, D#m, E, D#m and C#m in sequence. For best results, commence at 68 BPM and progress to the song's BPM of 136. With the song's key of C# Minor, set your capo to fit your vocal range and chord choice.