The Avalanches have released a new song, “Together,” with speculation that a new album may not be far behind. “Together” features Nikki Nair, Jessy Lanza, and Prentiss in a pastiche of samples and electronic melodies that play like the stuttering but pleasant memories of a floppy disk over a dance beat. The song strikes an emotional, dream-like tone midway through with the singer conjuring nostalgia through technology: “Staring at a picture on my phone/ Staring at a memory that’s old.” Meanwhile, through teaser videos, Instagram posts, and a press release, the group is pushing people to takumiarchives.com , a retro-looking website that asks arcane questions until eventually allowing visitors to sign up by email for updates. The Avalanches, made up of musicians, producers and DJs Robbie Chater and Tony Di Blasi, have a history of creative marketing campaigns to build anticipation for their releases.…