Katy Perry’s Witness debuts at No. 1 on the Billboard Canadian Albums chart this week on the strength of 23,000 total consumption units.

Born Katheryn Elizabeth Hudson, this is the former American church choir singer’s third straight chart-topper, following 2010’s Teenage Dream and 2013’s Prism.

Witness is the also the best-selling album in the week, the third highest digital song download album, and the sixth highest on-demand stream album.

Chicago quartet Rise Against’s seventh album, Wolves, debuts at 3. It is their sixth straight top-five album and first release since their 2014 No. 1 album, The Black Market.

Celebrated Nashville trio Lady Antebellum’s Heart Break debuts at 6 (and at No. 1 on the Country chart). All six of their albums have entered the chart in the top six.

Other debuts in the top 40 include Sza, born Solána Imani Rowe, with Ctrl, at 11; Lac-Saint-Jean Country singer Guylaine Tanguay’s La Fièvre du Country, at 13; London Grammar’s Truth Is A Beautiful Thing, at 29, Lindsey Buckingham & Christine McVie’s self-titled LP, at 35; and Christian ensemble Hillsong United’s Wonder , at 39.

With Taylor Swift’s catalogue now available on Spotify and other providers, two of her albums re-enter the Billboard Canadian Albums chart. 1989 comes in at 49, with a 201% consumption increase, and Red sneaks in at 129, with a 233% gain.

Luis Fonsi & Daddy Yankee’s “Despacito” remains at No. 1 on the Songs and Streaming Songs charts.

Justin Bieber, featured on the global barnstormer, is also part of the top debut on both charts this week, as David Guetta’s “2U” enters at 2 on the Digital Songs chart and is the 5^th most streamed.

“2U” is also his highest charting streaming song to date and highest song performer since “Where Them Girls At” debuted at No. 1 in 2011.

— All data courtesy of SoundScan with additional detail provided by Nielsen Music Canada Director, Paul Tuch.