求一外国男歌手的资料,非常沧桑的男低音唱着墨西哥风格的情歌,声音非常苍老低沉,但相当有磁性

墨西哥流浪音乐的鼻祖是Pedro Infante。不知道你找的是不是他，你这个问题里的信息给得实在太宽泛了。
估计你不懂西班牙语，给你个英文维基关于他的介绍：
José Pedro Infante Cruz (November 18, 1917 - April 15, 1957), better known as Pedro Infante, is perhaps the most famous actor and singer of the Golden Age of Mexican cinema and was the idol of the Mexican people, together with Jorge Negrete and Javier Solis, who were styled the Tres Gallos Mexicanos (the Three Mexican Roosters). He was born on November 18, 1917 in Mazatlán, Sinaloa, Mexico. He was raised as a child in Guamúchil. He died on April 15, 1957 in Mérida, Yucatán, in a plane crash during a flight that he was piloting himself enroute to Mexico City.

His film career began in 1939 with him appearing in more than 60 films, and starting in 1943, he recorded about 350 songs. For his performance in the movie "Tizoc" he was awarded the Silver Bear of the 1957 Berlin International Film Festival for Best Actor and also a Golden Globe at Hollywood, for 'Best Actor in a L