Travis Barker performs with nine-year-old blind boy in LA and makes donation for him to travel the world

Blink-182 drummer Travis Barker sweetly performed with a blind boy called Grayson Roberts at motivational speaker Charlie ‘Rocket’ Jabaley’s Dream Factory in downtown Los Angeles last Friday evening.

It was the 35-year-old podcaster who first discovered the brave nine-year-old manning a lemonade stand outside his home last Monday in order to raise funds so he could travel and ‘see’ the world (including the Great Wall of China) while he still has ‘a little vision in one eye.’

Little Grayson was born with a rare condition called Axenfeld-Rieger Syndrome, which left him with Glaucoma (eye pressure) and Aniridia (no iris) for which he’s undergone 32 surgeries including 5 cornea transplants.

Charlie – who’s a brain tumor survivor himself – vowed to help Roberts transform his modest lemonade stand into a Once Upon a Coconut-sponsored lemonade stand event called Limitless Lemonade where ‘hundreds’ of people showed up to support his dream.

The fourth grader designed his very own Limitless Lemonade logo on an iPad, went to Target to get unique flavors of lemonade, and created a secret recipe for attendees stopping by between 5:30pm-8pm.

Sweet: Blink-182 drummer Travis Barker performed with a blind boy called Grayson Roberts at motivational speaker Charlie ‘Rocket’ Jabaley’s Dream Factory in downtown Los Angeles last Friday evening

Grayson was surprised by the visit from the 47-year-old SoCal native, who showed up with several drumsticks in hand.

‘What’s up Grayson? Nice to meet you. I brought you some drumsticks. I saw a video of you playing drums and singing,’ Travis said.

‘I brought some donations for you. I brought some money for you.’

A source told ET on Sunday that Barker donated a ‘generous amount of money’ after learning of the event through his 19-year-old son Landon Asher Barker’s friend Mikey Tua.

When Roberts asked ‘Do you think we could play drums and sing together?’ the DTA Records founder happily obliged.

The excited child requested to perform a cover of Adam Jensen’s 2017 song Street Fight with Travis since, as his mother apologized: ‘We didn’t practice any of Travis’ songs.’

‘I got it,’ Barker smiled as he sat at the drum kit. ‘I’m gonna learn this one on the spot.’

After the song, the heavily-tattooed musician led the crowd with a chant of ‘Grayson’ before downing a mason jar of the blue lemonade Roberts dubbed ‘Sky Blue-nicorn 2.2.’

‘He has no customers’: It was the 35-year-old podcaster who first discovered the brave nine-year-old manning a lemonade stand outside his home last Monday in order to raise funds so he could travel and ‘see’ the world (including the Great Wall of China) while he still has ‘a little vision in one eye’

Making lemons into lemonade: Little Grayson was born with a rare condition called Axenfeld-Rieger Syndrome, which left him with Glaucoma (eye pressure) and Aniridia (no iris) for which he's undergone 32 surgeries including 5 cornea transplants

Making lemons into lemonade: Little Grayson was born with a rare condition called Axenfeld-Rieger Syndrome, which left him with Glaucoma (eye pressure) and Aniridia (no iris) for which he’s undergone 32 surgeries including 5 cornea transplants

Upgrade: Charlie - who's a brain tumor survivor himself - vowed to help Roberts transform his modest lemonade stand into a Once Upon a Coconut-sponsored lemonade stand event called Limitless Lemonade where 'hundreds' of people showed up to support his dream

Upgrade: Charlie – who’s a brain tumor survivor himself – vowed to help Roberts transform his modest lemonade stand into a Once Upon a Coconut-sponsored lemonade stand event called Limitless Lemonade where ‘hundreds’ of people showed up to support his dream

The fourth grader was surprised by the visit from the 47-year-old SoCal native, who showed up with several drumsticks in hand

'What's up Grayson?' he asked

‘What’s up Grayson?’ The fourth grader was surprised by the visit from the 47-year-old SoCal native, who showed up with several drumsticks in hand

Travis said: 'Nice to meet you. I brought you some drumsticks. I saw a video of you playing drums and singing. I brought some donations for you. I brought some money for you'

Travis said: ‘Nice to meet you. I brought you some drumsticks. I saw a video of you playing drums and singing. I brought some donations for you. I brought some money for you’

A source told ET on Sunday that Barker donated a 'generous amount of money' after learning of the event through his 19-year-old son Landon Asher Barker's friend Mikey Tua

A source told ET on Sunday that Barker donated a ‘generous amount of money’ after learning of the event through his 19-year-old son Landon Asher Barker’s friend Mikey Tua

When Grayson asked 'Do you think we could play drums and sing together?' the DTA Records founder happily obliged

When Grayson asked ‘Do you think we could play drums and sing together?’ the DTA Records founder happily obliged

Roberts requested to perform a cover of Adam Jensen's 2017 song Street Fight with Travis since, as his mother apologized: 'We didn't practice any of Travis' songs'

Roberts requested to perform a cover of Adam Jensen’s 2017 song Street Fight with Travis since, as his mother apologized: ‘We didn’t practice any of Travis’ songs’

'I got it,' Barker smiled as he sat at the drum kit. 'I'm gonna learn this one on the spot'

‘I got it,’ Barker smiled as he sat at the drum kit. ‘I’m gonna learn this one on the spot’

Rocking out! After the song, the heavily-tattooed musician led the crowd with a chant of 'Grayson' before downing a mason jar of the blue lemonade the excited child dubbed 'Sky Blue-nicorn 2.2'

Rocking out! After the song, the heavily-tattooed musician led the crowd with a chant of ‘Grayson’ before downing a mason jar of the blue lemonade the excited child dubbed ‘Sky Blue-nicorn 2.2’

Hooray! The audience cheers after the performance

The crowd size was substantial but did not appear to be 'hundreds' of people

Hooray! The audience cheers after the performance

Grayson - 'loving his new drum sticks' - later gushed on Instagram: 'Thank you Travis for taking a break while @Filipina your music video to come to stop by my lemonade stand and allowing me to perform with you! It was so amazing And thank you for letting me choose the color of sprinkles because who doesn't love sprinkles?!'

Grayson – ‘loving his new drum sticks’ – later gushed on Instagram: ‘Thank you Travis for taking a break while @Filipina your music video to come to stop by my lemonade stand and allowing me to perform with you! It was so amazing And thank you for letting me choose the color of sprinkles because who doesn’t love sprinkles?!’

On break: Travis' Grammy-nominated rock band - including guitarist-vocalist Tom DeLonge and bassist-vocalist Mark Hoppus - will resume their 93-date Blink-182 world tour on September 1-2 at Scotland's OVO Hydro in Glasgow (pictured July 7)

On break: Travis’ Grammy-nominated rock band – including guitarist-vocalist Tom DeLonge and bassist-vocalist Mark Hoppus – will resume their 93-date Blink-182 world tour on September 1-2 at Scotland’s OVO Hydro in Glasgow (pictured July 7)

‘Thank you Travis for taking a break while @Filipina your music video to come to stop by my lemonade stand and allowing me to perform with you!’ Grayson later gushed on Instagram.

‘It was so amazing And thank you for letting me choose the color of sprinkles because who doesn’t love sprinkles?!’

Travis and his third wife Kourtney Kardashian – who each have three children from prior relationships – will soon welcome their first child together, a son.

Barker’s Grammy-nominated rock band – including bassist-vocalist Mark Hoppus and guitarist-vocalist Tom DeLonge – will resume their 93-date Blink-182 world tour on September 1-2 at Scotland’s OVO Hydro in Glasgow.

The expecting 44-year-old will eagerly await Blink-182’s next big break, which takes place between October 23-February 7.

Fans can catch more from the Calabasas neighbors-turned-married couple of 15 months in the 10-episode fourth season of The Kardashians, which premieres September 28 on Hulu.



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