Triste in La#

Antonio Carlos Jobim(1967)bossaMedium Bossa

Triste in La#

Jobim's melancholic bossa reflects its name through Bebop Major and Dorian harmony touched by Harmonic Minor shadow in A#. The bittersweet quality of the harmony rewards improvisers who understand nuanced major/minor modal blending. Practice the A#Maj7 – Cm7 – F7 – Dm7 – G7b9 – Bdim7 – Dm7b5 changes to develop the expressive subtlety that separates authentic bossa nova interpretation from imitation.

Triste in La#

A# (Bb) major requires barre chords rooted at fret 1 on the A string or fret 6 on the E string. Despite the barre demands, it is a common key in funk, New Orleans R&B, and brass band music. The open D string can ring as the major third for added color. A# is a intermediate-level key on guitar because the open D string is the major 3rd of Bb, adding a bright color if allowed to ring. Expect to rely on barre chords throughout, which builds hand strength and unlocks the entire fretboard.

Voice Leading

The bass line moves through A# to C (ascending whole step), C to F (ascending perfect fourth), F to D (descending minor third), D to G (ascending perfect fourth), G to B (ascending major third), B to D (ascending minor third). The root motion by larger intervals (fourths and fifths) gives each chord change a strong, decisive character. When the progression loops, the bass returns from D to A# by major third.

Scales for Improvisation

A# 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, A# Mixolydian adds the flat seventh for an authentic blues-rock edge.

bossa4/4 · 34 bars · Form: AABA

Chords: La♯Maj7, Dom7, Fa7, Rem7, Sol7♭9, Sidim7, Rem7♭5.

Scales for Improvisation La# major, La# dorian, La# harmonic minor, La# bebop major, La# major pentatonic.