It is a big week for Canadian artists at home as they hold down the top five spots on SoundScan Canada's album chart, week ending May 6.

Reprise crooner Michael Buble bows atop the chart as "Call Me Irresponsible" moved 42,000 units in its first week -- the second consecutive debut at No. 1 for the artist.

Alternative singer/songer Feist has her best chart position to date, entering at No. 2 with "Reminder" on the Arts & Craft label, selling close to 19,000 units and veteran rock trio Rush grab No. 3 with "Snakes & Arrows" on Anthem Entertainment, selling 18,000 units.

Rounding out the top five, are RCA brat rocker Avril Lavigne who sold 16,000 units of "Best Damn Thing," and Quebec chanteuse Isabelle Boulay, who's "De Retour a la Source" on Audiogram Records shifted 9,000 units.