© Carousel spinning at amusement park

© Happy businessman listening music through smart phone in office

© Drawing products and toys in child's room

© Happy business people listening music through smart phone at railroad station

© Happy business colleagues listening music through smart phone at railroad station

© Young woman looking away while standing with friend at music festival

© Silhouette crowd with arms raised at concert

© Dog lying besides man listening music at cafeteria

© Dog lying besides man listening music through mobile phone at cafeteria

© Young woman looking away while listening music at cafe backyard

© Young woman listening music while reading book at cafe backyard

© Young man using mobile phone while listening music on rock against clear blue sky

© Side view of man using mobile phone while listening music on rock against clear sky

© Side view of man using mobile phone while listening music on rock against clear sky

© Rear view of man listening music at park against clear sky

© Happy mature woman dancing with down syndrome woman at home

© Woman enjoying drinks with friends at dining table in party

© Smiling owner discussing with female colleague at store

© Smiling barista talking to customer while using cash register at checkout counter in cafe

© Portrait of smiling mature businesswoman sitting on couch at office

© Portrait of mid adult teacher smiling in school corridor

© Portrait of happy man holding plate while standing at yard during dinner party

© Two teenage girls playing a video game

© Hispanic man doing handstand on beach

© Asian boy reading in grass