How to practice Radio with play-along tracks?

Use the play-along backing track above to practice Radio in the key of D#. Listen to the audio with bass, piano, and drums, start by playing the melody, then practice improvisation and soloing over the chord changes.

What scales to use for soloing over Radio?

For soloing over Radio, recommended scales include: bebop, bebop major. Use arpeggio patterns over each chord to create melodic lines that follow the harmony of this jazz tune.

Radio was composed by Swallow Steve. It is a medium-up-swing standard in 4/4 time. The original key is F; this page shows it transposed to D#.

What key is Radio in?

The original key of Radio is F. The form is A with 31 bars. This page shows the chart transposed to D#.

What scales work for improvising over Radio?

Recommended scales for Radio in D#: bebop, bebop major. Scales and arpeggios update in real-time as each chord plays, with context-aware analysis (e.g., Phrygian Dominant over secondary dominants).

How does the interactive backing track work?

The backing track plays with realistic walking bass, drum patterns, and voice-led chord voicings. Scales and arpeggios update in real-time as each chord plays. You can limit the fretboard zone for close-proximity voicings, toggle a reference melody, loop any section, and choose between multiple sound presets. Works for guitar, piano, bass, ukulele, and 7 more instruments.

Can I edit the chord chart?

Yes. You can modify the structure, chords, and arrangement of any standard to match your preferred version or create your own reharmonization.

Do Re MiC D E

Radio

Swallow Steve4/4medium-up-swing

BPM: 120

Chord Diagrams — Radio in D# (Guitar)

Display

FingerNoteDegree

Chord Voicings Closest Voicing

Starting fret

Open123456789101112

C9♯11

A7♯5

F7♯5

D9sus4

D - G - A - C - E

C♯7♯9♯5

C♯ - F - A - B - E

C7♯5

Cmaj7♯11

B9♯11

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Radio in D#

Key of D#

D# major (Eb) requires barre shapes rooted on the 6th and 5th strings. It is a favorite key for horn players, so guitarists encounter it in funk and soul bands. Using barre chords at frets 1, 3, and 6 covers the primary shapes. D# is a intermediate-advanced-level key on guitar because no standard open strings match this key's chord tones. Expect to rely on barre chords throughout, which builds hand strength and unlocks the entire fretboard.

Voice Leading

The bass line moves through D# to D (descending half step), D to G (ascending perfect fourth), G to C (ascending perfect fourth), C to C (ascending unison), C to A (descending minor third), A to D (ascending perfect fourth), D to G (ascending perfect fourth), G to E (descending minor third), E to A# (ascending tritone), A# to C (ascending whole step), C to E (ascending major third), E to A (ascending perfect fourth), A to D (ascending perfect fourth), D to G# (ascending tritone), G# to C# (ascending perfect fourth), C# to F# (ascending perfect fourth), F# to F (descending half step), F to E (descending half step), E to A (ascending perfect fourth), A to D (ascending perfect fourth), D to C# (descending half step), C# to F# (ascending perfect fourth), F# to D (descending major third), D to C (descending whole step), C to F (ascending perfect fourth), F to A# (ascending perfect fourth), A# to C (ascending whole step), C to F (ascending perfect fourth), F to A# (ascending perfect fourth), A# to C (ascending whole step), C to B (descending half step). A half-step bass movement creates a strong leading-tone pull that demands resolution. 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 B to D# by major third.

Scales for Improvisation

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

medium-up-swing4/4 · 31 bars · Form: A

Chords: D♯maj7, D7♯9, Gm7, C9♯11, Cm9, A7♯5, Dm7, G7, Em7♭5, A♯9, Cmaj7, E7, Am7, D7, G♯7♯11, C♯9, F♯9, F7♯5, E7♯11, A9, D9sus4, C♯7♯9♯5, F♯m9, D9, Cm7♭5, F7, A♯m7, C7♯5, Fm7, A♯7, Cmaj7♯11, B9♯11.

Scales for Improvisation D# bebop, D# bebop major.

Diatonic chords: See all chords in the key of D#

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