Calvin Harris’ latest installment of Love Regenerator has arrived as a two-track collaboration with UK duo Solardo. Fans have been anxiously awaiting the first offering, “Rollercoaster,” which has played out at Solardo’s festival sets over the past year. The pumping production thrives on thrilling rises and releases, much like a rollercoaster ride, laced with soulful elements and acid-laced tendencies. The second track, “All of a Sudden” comes as an unexpected bonus that pushes the tempo as rave alarms and an expert groove set the track up for sheer madness. Again, Calvin Harris aka Love Regenerator and Solardo make an enthralling mixture in this double release. Both productions — “Rollercoaster” and “All of a Sudden” — are destined to go off in any setting!