Keep good collection of your favourite songs in your cell phone or mp3 player. Also do not forget to carry your earphone with you.
Make a checklist in advance for all the items which you would be carrying during the bus journey. Check this list prior to leaving your home to make sure that you have not missed any item.
Bus journey gets more comfortable in large groups because you spend your time in talking to your known ones. Hence if possible try to get people along with you during bus journey.