"A Tiempo" is primarily a synth-pop sound and electric album, consisting mainly of stripped down instruments such as synthesizers, piano and acoustic guitar. Ha*Ash worked with producer Áureo Baqueiro and invited Michele Canova. The album peaked at No. 4 in the Mexican album charts and was certified Double Platinum and Gold in Mexico. "Impermeable" was released on March 21, 2011 and peaked at number 1 in the Mexico Español Airplay and 6 in the Mexico Airplay. The song was certified gold in Mexico. "Te Dejo en Libertad" was chosen as the album's second single, released on July 11, 2011. It peaked at No. 29 on Billboard Latin Pop chart and No. 1 on Mexico Español Airplay, Mexico Airplay and Monitor Latino. The song was certified Platinum and Gold.