Amandus Ivanschiz (in Slovenian literature "Ivančič"), due to his surname thought to be of South-Slave origin, belongs to a group of today little known 18th-century composers, but was in his own time all over Central Europe well known and largely copied monastic composer. Around 100 compositions survived to this date in various copies now preserved in Slovenian, Croatian, Austrian, Czech, etc. archives. However, only a few of his compositions are available to modern performers. Volume 1 of the Monumenta artis musicae Sloveniae series comprises five trio sonatas which are accompanied by an introductory presentation of the composer and his works and Revision Report by Damilo Pokorn (1983).The digitized version of the edition (2020) includes a New Introduction as well as Corrigenda by Maciej Jochymczyk bringing to the reader's attention new information on father Amandus and corrigenda of the earlier edition.Amandus Ivanschiz (Ivančič), ki je bil po priimku sodeč južnoslovanskega porekla, sodi med danes manj znane skladatelje 18. stoletja, čeprav je bil v svojem času razmeroma močno prisoten v srednjeevropskem glasbenem prostoru. O tem priča ok. 100 njegovih skladb, ki so se v prepisih ohranile širom srednje Evrope: v slovenskih, hrvaških, avstrijskih in čeških arhivih. Izvajalcem in raziskovalcem glasbene kulture je danes še vedno dostopen le majhen del njegovega opusa. Prvi zvezek zbirke MAMS prinaša pet Ivančičevih sonat »a tre« (triosonat) v sodobni notni izdaji. Opremljen je z uvodno študijo in revizijskim poročilom Danila Pokorna, prinaša pa tudi nekaj faksimilov Ivančičevih sonat.Digitalizirana po-izdaja iz leta 2020 prinaša dodatni Novi uvod in Corrigenda Macieja Jochymczyka s posodobljenimi podatki o skladatelju in popravki zgodnejšega vedenja.