Announced for May 2020 release: volume 1 (https://www.naxos.com/catalogue/item.asp?item_code=8.574183) of Sinigaglia's chamber music for string quartet. Most of this music including his large-scale D major quartet Op.27 has been recorded by Matesic for IMSLP, but these new recordings by the Archos Quartet should be welcome too.
See also here:
https://www.amazon.co.uk/Sinigaglia-String-Quartets-Quartet-8574183/dp/B085RT6QY3/ref=sr_1_4?keywords=sinigaglia&qid=1585728655&sr=8-4 (https://www.amazon.co.uk/Sinigaglia-String-Quartets-Quartet-8574183/dp/B085RT6QY3/ref=sr_1_4?keywords=sinigaglia&qid=1585728655&sr=8-4)