======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '201'
                                          'artist'  'Laserdance'
                                     'text_people'  ''
                                         'release'  'Italo Disco'
                                           'title'  'Humanoid Invasion'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'dance', 'spacesynth', 'electronic', 'italo disco']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '18'
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '126.252'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'TALB' (Album/Movie/Show title)                     'Italo Disco'
'TBPM' (BPM (beats per minute))                     '126.252'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Humanoid Invasion'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Laserdance'
'TRCK' (Track number/Position in set)               '13/18'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['80s', 'dance', 'spacesynth', 'electronic', 'italo disco']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+18.37 dB'
'TXXX:replaygain_track_peak'                        '0.066433'

========================== row from database ==========================
                                              'id'  1339920
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Carrara - va - the world of italo disco/113_laserdance_-_humanoid_invasion-vibez.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  201
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  4839046
                                           'mtime'  1620608843
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo Carrara the world of italo disco 113_laserdance_ _humanoid_invasion vibez electronic we disco or italo
                                      'tag_artist'  Laserdance
                                     'tag_release'  Italo Disco
                                       'tag_title'  Humanoid Invasion
                                             'bpm'  126.252
                                    'search_title'  'humanoid':1 'invasion':2
                                   'search_artist'  'laserdance':1
                                  'search_release'  'disco':2 'italo':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '113':10 'carrara':6 'disco':3 'electronic':15 'humanoid':12 'invasion':13 'italo':5 'laserdance':11 'of':9 'or':17 'the':7 'vibez':14 'waves':2 'we':16 'world':8
                                    'search_combo'  '00disco':9 '00poprockelectronic':6 '113':15 'carrara':11 'disco':5C,8 'electronic':20 'humanoid':1A,17 'invasion':2A,18 'italo':4C,10 'laserdance':3B,16 'of':14 'or':22 'the':12 'vibez':19 'waves':7 'we':21 'world':13
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-4', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['80s', 'dance', 'spacesynth', 'electronic', 'italo disco']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620608843.1567492  (2021-05-10 03:07:23)
                             'size'  4839046