The song "Si No Es Ahora" by Timbiriche talks about the anticipation of receiving a call or visit from a loved one. The lyrics describe a moment of connection and potential romance, where the singer is waiting for their crush to reach out to them. They express their confidence that the person will eventually make contact, whether it be now or tomorrow. The chorus repeats the message that if it's not now, it will be tomorrow, and that they will eventually come together on a path towards love. The song captures the excitement and longing of waiting for a potential relationship to blossom, with the hope and certainty that a connection will be made.