The following are some of the METALLICA's recent South American concert attendances/grosses, as reported by Billboard magazine:

Artist/Event: METALLICA

Venue: Parque Simon Bolivar

City/State: Bogota, Colombia

Date: March 16, 2014

Gross Sales: $2,857,030

Attendance/Capacity: 30,974 / 34,137

Ticket Prices: $156.23, $73.23

Artist/Event: METALLICA

Venue: Parque Bicentenario

City/State: Quito, Ecuador

Date: March 18, 2014

Gross Sales: $3,877,959

Attendance/Capacity: 32,257 / 32,257

Ticket Prices: $225, $30

Artist/Event: METALLICA

Venue: Estadio Nacional

City/State: Lima, Peru

Date: March 20, 2014

Gross Sales: $1,925,090

Attendance/Capacity: 27,858 / 31,600

Ticket Prices: $164.23, $18.95

Artist/Event: METALLICA

Venue: Estadio do Morumbi

City/State: Sao Paulo, Brazil

Date: March 22, 2014

Gross Sales: $5,701,630

Attendance/Capacity: 61,742/ 63,347

Ticket Prices: $257.68, $77.30

Artist/Event: METALLICA

Venue: Jockey Club

City/State: Asuncion, Paraguay

Date: March 24, 2014

Gross Sales: $2,256,140

Attendance/Capacity: 28,277 / 32,200

Ticket Prices: $223.81, $40.29

Artist/Event: METALLICA

Venue: Estadio Monumental

City/State: Santiago, Chile

Date: March 27, 2014

Gross Sales: $3,508,790

Attendance/Capacity: 43,296 / 43,296

Ticket Prices: $170.18, $48.37

Artist/Event: METALLICA

Venue: Estadio Unico Ciudad de La Plata

City/State: Buenos Aires, Argentina

Date: March 29-30, 2014

Gross Sales: $4,719,390

Attendance/Capacity: 76,407 / 79,038

Ticket Prices: $124.87, $31.22

As promised, the band played a nearly all-request set on the above-listed South American shows, with 17 songs chosen online by fans prior to the gig and the last slot filled by the new track "The Lords Of Summer".

Drummer Lars Ulrich told Rolling Stone that "The Lords Of Summer" "is fairly representative of where our creative headspace is at right now. It's one of those things that's like, 'Here, we're writing and we're creating.'"

Guitarist Kirk Hammett told The Pulse Of Radio that coming up with music is not a problem for the band. "We're a band that never has a shortage of ideas," he said. "You know, you hear about these bands that are like, oh, they're sitting in the studio and they don't have any songs, what are they gonna do? That's not METALLICA. METALLICA's problem is the total opposite: we have too many ideas, which ones are we gonna use. And so that's pretty much how it stands with us."

Ulrich cautioned, however, that "The Lords Of Summer" may not even end up on METALLICA's next album at all, or at least not in its current form. He explained, "We did the same thing when we went out and played a bunch of dates in 2006. We were writing and played two different new songs over the course of that summer, and none of them made the record (2008's 'Death Magnetic')."

The Metallica By Request tour will hit Europe this summer, with a single North American date confirmed in Montreal, as the band continues working on its 10th studio album.

The rest of METALLICA's "by request" show in South America featured such "rarities" as "Master Of Puppets", "Welcome Home (Sanitarium)", "Battery", "Fade To Black", "One" and "Enter Sandman".