year. On 23 September 2012, the band returned to Looe, Cornwall, fronted by Warne and Burnel. The band had originally spent time in Looe writing Suite XVI. Giants was released in 2012, including the first instrumental on an album since "Waltzinblack" on The Gospel According to The Meninblack. The "deluxe" version consisted of a second disc containing tracks from the 'Weekend in Black' acoustic session in November 2011. 2013 saw the band play a full UK tour, with Black playing the second half at most gigs (Jim Macaulay taking the first half). Several festivals were booked for 2013, including a session at the BBC Proms on 12 August. For the North American tour Black was not present, with Macaulay playing the entire show. In 2014, the band celebrated their fortieth birthday with a Ruby Tour, throughout the UK and Europe. In 2015, the March On tour had 18 dates around the United Kingdom. Where stage space allowed, a second drum kit was set up and Jet Black appeared for a set of four songs. A proposed gig in Moscow was announced and then cancelled due to visa difficulties, but a mini-tour of the UK took place in July. The band then played gigs throughout Europe, ending in November. In April 2016, they returned to New Zealand and Australia. Black ceased performing on stage with the band after some partial-set appearances in March 2015, although he remained an official member of the band until his retirement was confirmed in 2018. Jim Macaulay appeared in a promotional photograph alongside Burnel, Greenfield and Warne for the first time in 2016 and has since been named as an official member of the group. In August 2017, the Stranglers performed at an outdoor concert in Hull as part of the UK City of Culture celebrations. In July 2018, the band played at the LUNAR festival in Tanworth-in-Arden. During an interview with Janice Long, on BBC Radio Wales, on 10 July 2018, Burnel revealed that Black continued to be in fairly poor health and had suffered a minor stroke earlier in 2018. Greenfield died on 3 May 2020, at the age of 71. He had contracted COVID-19 while in hospital for a heart ailment. The band's eighteenth studio album Dark Matters, features contributions from Greenfield and is also their first release following the retirement of Jet Black. It was released on 10 September 2021, and entered