Complex sentence: Right from the outset, indications were that "I Could Fall in Love" would become one of Selena's most famous recording, and in the 1990s, it became a popular wedding song.
Split into simpler sentences: Right from the outset, indications were that "I Could Fall in Love" would become one of Selena's most famous recording. In the 1990s, "I Could Fall in Love" became a popular wedding song.