Por una Cabeza in E

Por una Cabeza in E

Carlos Gardel y Alfredo Le Pera compusieron 'Por una Cabeza' en 1935 para la película 'Tango Bar'. Es el tango más reconocible del mundo no rioplatense: 'Scent of a Woman' (Al Pacino, 1992) lo inmortalizó en Hollywood y desde entonces es sinónimo de seducción y elegancia argentina. La melodía en Do mayor, con ese bandoneón que suspira, ha cruzado todos los idiomas y todas las pistas de baile del planeta.

Por una Cabeza in E

E major is arguably guitar's most powerful key. The open low E and high E strings ring sympathetically as the root, while the open B provides the fifth. This triple reinforcement gives E-based riffs and chords unmatched depth and volume. E is a beginner-level key on guitar because both the low E and high E strings ring as the root, and the open B is the fifth — three open strings reinforce the tonic chord. Beginners will find this key approachable since most chords use open voicings with minimal stretching.

Voice Leading

The bass line moves through E to B (descending perfect fourth), B to C# (ascending whole step), C# to A (descending major third), A to G# (descending half step), G# to F# (descending whole step). A half-step bass movement creates a strong leading-tone pull that demands resolution. The predominantly stepwise bass motion creates smooth, connected voice leading. When the progression loops, the bass returns from F# to E by whole step.

Scales for Improvisation

E major pentatonic works because every note is either a chord tone or a safe passing tone — there are no avoid notes. For soloing, this means you can play freely without clashing. Over dominant seventh chords, E Mixolydian adds the flat seventh for an authentic blues-rock edge.