There are so many great Swedish bands and many of them are real classic titans for the metal music scene:
Opeth, Bathory, Europe, Pain of Salvation, Wolf, Candlemass, Hypocrisy, Tiamat, Evergrey, Dark Tranquillity, In Flames, Lake of Tears, Therion, Pain, Marduk, Unleashed, Katatonia, Edge of Sanity, Entombed, Morgana Lefay, Meshuggah...
Opeth, Bathory, Europe, Pain of Salvation, Wolf, Candlemass, Hypocrisy, Tiamat, Evergrey, Dark Tranquillity, In Flames, Lake of Tears, Therion, Pain, Marduk, Unleashed, Katatonia, Edge of Sanity, Entombed, Morgana Lefay, Meshuggah...