Costaroy is an Indonesian duo based in Central Jakarta, Indonesia, consisting of Imelda Margaret (Vocalist) with Binsar H. Tobing (bassist) formed in 2015. They began working on their debut album since February 2016 and finally released in December 2017. Costaroy started out the journey in the early of 2017 with the double-single album titled "PORTRAIT OF A WOMAN ON A CROSSROAD" which is one of the songs in that consisted of 2 tracks; the other is "Biru Sekejap". Released on an annual event around the world, RECORD STORE DAY 2017, Costaroy released the double-single album in cassette format in a limited edition. 8 months afterward, Costaroy released a mini album titled "TEMPUS" that consisted of 2 tracks; "Paruh Waktu" & "Perfect Play" and a bonus track of a cover song Maureen Kelly's "Yes You Do". Finally, in 2017, Costaroy released a full album "TUSCANY TEMPLE", consisted of 11 tracks.