Alejandro

The song "Alejandro" by Lady Gaga is originally in the key of C minor. It was released as the third single from her second studio album, "The Fame Monster," in 2010. Lady Gaga co-wrote the song along with RedOne, who also produced it. The track draws influences from the 1980s synth-pop genre, combining elements of dance-pop and electropop. "Alejandro" reached the top 10 on various music charts worldwide and received generally positive reviews from critics. In terms of melody, the song features a catchy chorus with Gaga's signature vocal hooks and a strong rhythmic structure throughout.