Modest Mouse guitarist Simon O'Connor will no longer be joining the indie rock band on their upcoming tour after he was accused of sending inappropriate messages to an underage fan. The band announced the decision in an Instagram post Friday, stating: "Simon O'Connor will not be accompanying us on the upcoming tour." Instead, guitarist Seth Jabour from Les Savy Fav will replace the guitarist on their tour, which kicks off Tuesday. Advertisement AdvertisementAdvertisement AdvertisementThe Independent has reached out to Modest Mouse for further comment. Modest Mouse's upcoming tour starts August 4 in Ojai, California, and concludes October 23 in Sacramento, California, according to the band's website.