Backdoor II-V
Turnarounds Key of C
iv-7 → ♭VII7 → IΔ7
Alternative resolution using the backdoor dominant (♭VII7).
Found in: There Will Never Be Another You, Stella By Starlight
Progression
Fm7
A#7
CΔ7
Voice Leading Patterns
Pattern 1
Fm7
A#7
CΔ7
F
C
G
D
A
E
✕
8
8
10
8
✕
✕
8
7
8
8
✕
✕
7
5
9
7
✕
Pattern 2
Fm7
A#7
CΔ7
F
C
G
D
A
E
✕
12
10
13
11
✕
✕
10
10
12
11
✕
✕
11
9
10
10
✕
Pattern 3
Fm7
A#7
CΔ7
F
C
G
D
A
E
✕
3
1
3
3
✕
✕
2
1
3
1
✕
✕
0
0
2
2
✕
Pattern 4
Fm7
A#7
CΔ7
F
C
G
D
A
E
✕
5
5
6
6
✕
✕
5
3
6
5
✕
✕
4
4
5
3
✕
Random:
Fm7
A#7
CΔ7
F
C
G
D
A
E
✕
5
5
6
6
✕
✕
5
3
6
5
✕
✕
7
5
9
7
✕
Drop 2 Inversions
FMinor7
FInv 1
FInv 2
FInv 3
FInv 4
F
C
G
D
A
E
✕
8
8
10
8
✕
✕
12
10
13
11
✕
✕
3
1
3
3
✕
✕
5
5
6
6
✕
A#Dominant
A#Inv 1
A#Inv 2
A#Inv 3
A#Inv 4
F
C
G
D
A
E
✕
2
1
3
1
✕
✕
5
3
6
5
✕
✕
8
7
8
8
✕
✕
10
10
12
11
✕
CMajor7
CInv 1
CInv 2
CInv 3
CInv 4
F
C
G
D
A
E
✕
4
4
5
3
✕
✕
7
5
9
7
✕
✕
11
9
10
10
✕
✕
0
0
2
2
✕