Question: From which country hail the rock band 'Sick Puppies' who produced the album 'Tri-Polar' and the electronic music duo 'Empire of the Sun' whose albums include 'Walking on a Dream'?

Context paragraphs:
Odd One: "Odd One" is the second single from Sick Puppies' third album "Tri-Polar", which impacted rock radio on November 10, 2009.  According to the band's Twitter, the video was filmed on November 25.  According to pictures posted on the band's Twitter and a video clip on YouTube in the following days, the video was filmed at a skate park.  In a live web interview on February 9, 2010, Shim stated that Odd One narrowly beat out Riptide as Tri-Polar's second single, much to the delight of the band who supported Odd One becoming a single because of its strong lyrical message.

New Look (band): New Look were a Canadian electronic music duo consisting of husband and wife, Adam Pavao and Sarah Ruba.  The band released their first EP 'How's My Hair?'  in 2008.  Their debut album 'New Look' was recorded in Berlin and released on the record label ! K7 on October 10, 2011.  It has received critical acclamation from both The Guardian and Vogue.  The couple split their time between Toronto, Canada where they have a house and studio, and New York City where Ruba works part-time as a model.  In 2010, the band toured with English indie pop band The xx.

Welcome to the Real World (Sick Puppies album): Welcome to the Real World is the debut studio album by the Australian rock band, Sick Puppies.  The album was released only in Australia on 3 September 2001 as an enhanced CD with the "Every Day" music video featured as a 'multi-media component'.  The album's 3,000 copies that were pressed were only sold in Australia, making it very valuable - and only available - on the second hand market.  The album was released with the Every Day single on some pressings.

Tri-Polar (album): Tri-Polar is the third full-length studio album by Australian rock band Sick Puppies, released on 14 July 2009.

Stelsi: Stelsi is a Ukrainian electro-folk/synthpop/electronic dance music group, founded in 1999 by Alex Kukharsky in Chernivtsy, Bukovina.  The band have been credited as one of the first electronic music acts in Ukraine,with fusion of styles that quickly grew into mainstream popularity at the beginning of the 2000s.  During its more-than-decade history, band`s sound developed rapidly from big-beat, techno, house & other club-oriented genres (2000-2003) up to more live performance synthpop\alternative\rock music (2003-2005), finally incorporating ethnic\folk elements which resulted in a unique style fusion that was called "electro-folk" by critics and press (2005–present).  The band`s music can be frequently heard in commercials, radio & TV shows, presentations, sport events and other popular media throughout Ukraine.

Sick Puppies: Sick Puppies is an Australian rock band, formed in 1997.  Sick Puppies rose to prominence in 2006 when their song "All the Same" was uploaded along with a video to YouTube.  The video supported the Free Hugs Campaign which was launched in Sydney, and has since received over 77 million views on the website.  This success followed up with "Dressed Up as Life" in 2007, which entered the "Billboard" 200 at number 181.  Their third studio album, released on 14 July 2009, is titled "Tri-Polar".  The band's fourth studio album "Connect" was released on 16 July 2013.  They released their fifth studio album "Fury" on 20 May 2016 with new vocalist Bryan Scott after Shimon Moore left the band on October 2014.

Adam Leonard (singer-songwriter): Adam Leonard is an English singer-songwriter working mainly in the folk, psychedelic and electronic music fields.  His style is often described as lo-fi and the subject matter of his songs somewhat unconventional.  Since his debut album 'How Music Sounds' in 2003, he has released many EPs, albums and mini-albums on various small labels.  Live performances, which have so far been limited to the UK (Manchester, London and Northern Ireland) are as intriguing as they are rare.  In 2008 he opened for British folk legend Steve Ashley.  He regularly collaborates with other musicians, most notably Pat Gubler (P.G. Six), Ashley Cooke (Pulco), Gareth Davies, and Steven Collins of The Owl Service, a band for which Leonard provided vocals for their 2010 album 'The View From A Hill'.  At the close of 2010, a limited edition album entitled 'Nature Recordings' was released on vinyl only by the London label The Great Pop Supplement.  In 2011 Leonard provided the soundtrack to Claudia Heindel's award-winning independent film Lucky Seven.  In 2012, Nature Recordings was issued on CD by Manchester-based label The Northwestern Series.

Empire of the Sun (band): Empire of the Sun is an Australian electronic music duo from Sydney, formed in 2007.  The band is a collaboration between Luke Steele of alternative rock act The Sleepy Jackson, and Nick Littlemore of electronic dance outfit Pnau.  Their 2008 debut album "Walking on a Dream" brought the duo international success and has been certified double platinum in Australia and gold in the United Kingdom.  The album provided a number of internationally charting singles including "Walking on a Dream" which peaked at number ten on the Australian ARIA Singles Chart and reached number sixty four on the UK Singles Chart, and "We Are the People", which peaked at number fourteen on the UK Singles Chart.

Maybe (Sick Puppies song): "Maybe" is the third single from Sick Puppies' third album "Tri-Polar", which impacted rock radio on June 22, 2010.  A remix version was made for pop radio stations, and the official music video.

Sick Puppies EP: Sick Puppies EP is the fourth EP by Australia rock band Sick Puppies.  The EP was sold at live events and is now only available on the secondhand market.  The EP was released as an enhanced CD with bonus multimedia content featuring lyrics, a photo gallery, the YouTube Free Hugs video for "All the Same", and a live video trailer.  All the tracks were re-released on the album Dressed Up As Life.

Supporting paragraphs: Sick Puppies Empire of the Sun (band)
Answer: Australia