======================== unified (from filesystem) ========================
                                         'bitrate'  '209.375'
                                        'duration'  '316'
                                          'artist'  'Miss Kittin'
                                     'text_people'  ''
                                         'release'  'Batbox'
                                           'title'  'Pollution Of The Mind'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-4', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'electroclash', 'electronic', 'electro', 'techno']"
                                     'discogstags'  "['electronic', 'house', 'electro']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'electronic-we-electroclash'
                                             'bpm'  '130.1'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Batbox'
'TBPM' (BPM (beats per minute))                     '130.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electroclash'
'TDRC' (Recording time)                             '2008'
'TIT2' (Title/songname/content description)         'Pollution Of The Mind'
'TKEY' (Initial key)                                '7A'
'TLAN' (Language(s))                                'English'
'TPE1' (Lead performer(s)/Soloist(s))               'Miss Kittin'
'TRCK' (Track number/Position in set)               '7'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '4'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'house', 'electro']
'TXXX:lastfmtags'                                   ['electronica', 'electroclash', 'electronic', 'electro', 'techno']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.68 dB'
'TXXX:replaygain_track_peak'                        '0.426777'

========================== row from database ==========================
                                              'id'  1332652
                                            'path'  /data/Music/Bulk/00poprockelectronic/00clash/Miss Kittin/07_miss_kittin-pollution_of_the_mind.mp3
                                         'working'  None
                                         'bitrate'  209
                                    'duration_sec'  316
                                           'genre'  electronic-we-electroclash
                                        'filesize'  8291333
                                           'mtime'  1620561157
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00clash 07_miss_kittin pollution_of_the_mind electronic we electroclash
                                      'tag_artist'  Miss Kittin
                                     'tag_release'  Batbox
                                       'tag_title'  Pollution Of The Mind
                                             'bpm'  130.1
                                    'search_title'  'mind':4 'of':2 'pollution':1 'the':3
                                   'search_artist'  'kittin':2 'miss':1
                                  'search_release'  'batbox':1
                                     'search_rest'  '00clash':2 '00poprockelectronic':1 '07':3 'electroclash':12 'electronic':10 'kittin':5 'mind':9 'miss':4 'of':7 'pollution':6 'the':8 'we':11
                                    'search_combo'  '00clash':9 '00poprockelectronic':8 '07':10 'batbox':7C 'electroclash':19 'electronic':17 'kittin':6B,12 'mind':4A,16 'miss':5B,11 'of':2A,14 'pollution':1A,13 'the':3A,15 'we':18
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-4', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['electronica', 'electroclash', 'electronic', 'electro', 'techno']
                                        'tag_date'  2008
                                     'discogstags'  ['electronic', 'house', 'electro']

============================== file details ==============================
                                           'mtime'  1620561157.4557137  (2021-05-09 13:52:37)
                             'size'  8291333