Evolution is the fourth studio album by American country music artist Martina McBride. It was released in August 1997 by RCA Nashville. The album produced six singles, all of which have charted on the US Billboard Hot Country Songs chart. The first single, "Still Holding On", is a duet with Clint Black and was originally recorded by Black on his 1997 album Nothin' but the Taillights. "Still Holding On" peaked at number 11. The second and fifth singles, "A Broken Wing" and "Wrong Again", both reached number one. "A Broken Wing" was also McBride's first single to chart on the Billboard Hot 100 and was her first major crossover hit. The album's third single, "Valentine", a duet with Jim Brickman", is a re-recording of a song which Brickman and McBride previously released from his 1997 album Picture This. The original Picture This version charted at #3 on the AC charts and #68 on the country charts, while the re-recording featured on the Evolution album was a Top 10 country hit, with a peak at number 9. The fourth and six singles, "Happy Girl" and "Whatever You Say", both peaked at number 2. The album was certified 3× Platinum by the RIAA.