Hulme took her son to the gig held at the Aberystwyth Arts Centre in Ceredigion, Wales.
A mother who provoked outrage after taking her four-month-old baby to a rave has defended her actions.
Sarah-Jane Hulme was slammed as irresponsible and disgraceful after a picture of her at a gig in Aberystwyth, North Wales with son Django emerged online.
In the picture posted on Facebook, the 41-year-old National Trust woodland warden can be seen holding the baby in her arms while revellers dance beside her at the drum and bass gig.
Although the little boy is wearing yellow ear defenders, shocked clubbers at the £15 event raised the alarm.
Police are said to have halted the music two hours later to ask her to come forward, but she left the venue without talking to officers.
A DJ was apparently heard saying : "That is some irresponsible s***."
The viral image of Django at the gig has since stirred a huge response from other mums who have reacted with fury.
One unimpressed viewer wrote: "Is she mad!! anything could have gone wrong poor baby!! :("
Siobhan Freegard, of parenting site Netmums, said: "Anyone taking a baby to a rave is raving mad. A four-month-old needs calm, not booming music, strobe lights and rowdy partygoers. If you want to go out, get a babysitter."
But Hulme insisted that she had done nothing wrong and would never endanger her son's life.
"My daughter Kerry was performing with her band in her home town for the first time and I wanted to be there," she told the Sun.
"What's wrong with that? I don't think I've been irresponsible at all."
According to Hulme, she decided to take the baby as it was more convenient and insists that he slept through the performance. She claimed that officers searched her for drugs on the way into the event but made no comments about her son.
"I breast-feed him so he has to be with me. In France or Spain, parents are encouraged to take their kids to music festivals."
A Dyfed-Powys Police spokesman said: "Following close liaison with social services, Dyfed-Powys Police has been made aware of an incident involving child protection issues and will be monitoring and evaluating this incident."
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