C#7#5

— About this chord

C#7#5 (C# dominant 7 sharp 5, also written C#+7) raises the 5th of a dominant chord for a restless, augmented tension that pulls hard toward resolution. A favorite in jazz turnarounds and blues endings, it often functions as an altered V7 leading to F# major or minor, adding a whole-tone flavor to comping. Movable shapes make it easy to weave into ii-V-I lines. Also searched as C#dom7#5, Db7#5, D♭7#5, C#+7.