- NAFTA and immigration
- Anti-immigrant laws (like Proposition 227 in 1998, California and SB 1070 in 2010, Arizona) and border militarization
- Consolidation of cartels and intensification of drug war
- Consolidation of music industry (now, Universal, Sony, and Warner - formerly EMI as well)
Tejano (and Selena Quintanilla)
The Onda Grupera - the wave of groups from the Mexican music industry.
For example, Los Bukis, whose leader, Marco Antonio Solís, is still at it today.
A second influence especially in northern Mexico, is cumbia.
The tremendous Tigres del Norte: