Those who do not wish to miss a rare musical treat should bear in mmd the concert to be given by the Hamptou studeuts at the Opera House, Tueaday evening. The Philadelphia bulletin thus speaks of one of these concerts given iu that city a few weeks siuee : Horticultural Hall wascrowded to overflowing last eveuiug, 011 the occasion of the ürst concert given by the Hamptou singers. Mauy prominent citizous were present. Every piece aun was encored, particularly the two entitled, " I Hope my Mother will be Í here," aud " Boll Me, Chanot, Roll Me." Their singmg is remarkably sweet and expressive, the chastened earuestness and feelings with which eveu the quaintest of thoir slave songs aud hymus aie reudered beingaspeciallynoteworthy. Among the best aud charactenstic of the selectious giveu by thein last evening were, "Oh!Wasu't Dat a Wide ltiber," "Nobody Kuows de Trouble I See," " (Jlory, Uloiy," " New BornAgain," and "In Jat Ureat Uittiu' up Mornm'," the latter being a iuost eccuntric plantatlon hymn with a chorus.