======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '220'
                                          'artist'  '3-O-Matic'
                                     'text_people'  ''
                                         'release'  "Best Ever Top 100 90's"
                                           'title'  'Success (Radio Mix - Video Ver'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-MIXBEAT-3', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'Q-UNU-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'q-play-2', 'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-2']")
                                      'lastfmtags'  "['eurodance', 'euro-house', '90s']"
                                     'discogstags'  "['electronic', 'euro house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '139.370'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "Best Ever Top 100 90's"
'TBPM' (BPM (beats per minute))                     '139.370'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '1995'
'TENC' (Encoded by)                                 'lacadau'
'TIT2' (Title/songname/content description)         'Success (Radio Mix - Video Ver'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               '3-O-Matic'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'euro house']
'TXXX:lastfmtags'                                   ['eurodance', 'euro-house', '90s']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.38 dB'
'TXXX:replaygain_track_peak'                        '0.538992'

========================== row from database ==========================
                                              'id'  1320599
                                            'path'  /data/Music/Bulk/00poprockelectronic/90s/75_Success_(Radio_Mix_-_Video_Version).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  220
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  8845468
                                           'mtime'  1621696057
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 90s 75_Success_(Radio_Mix_ _Video_Version) electronic generic or radio unsorted
                                      'tag_artist'  3-O-Matic
                                     'tag_release'  Best Ever Top 100 90's
                                       'tag_title'  Success (Radio Mix - Video Ver
                                             'bpm'  139.37
                                    'search_title'  'mix':4 'radio':2,3 'success':1 'ver':6 'video':5
                                   'search_artist'  '3':1 '3omatic':4 'matic':3 'o':2
                                  'search_release'  '100':4 '90':5 '90s':7 'best':1 'ever':2 's':6 'top':3
                                     'search_rest'  '00poprockelectronic':1 '75':3,7 '90s':2 'electronic':15 'generic':16 'mix':6,10 'or':17 'radio':5,9,18 'success':4,8 'unsorted':19 'version':12,14 'video':11,13
                                    'search_combo'  '00poprockelectronic':18 '100':14C '3':7B '3omatic':10B '75':20,24 '90':15C '90s':17C,19 'best':11C 'electronic':32 'ever':12C 'generic':33 'matic':9B 'mix':4A,23,27 'o':8B 'or':34 'radio':2A,3A,22,26,35 's':16C 'success':1A,21,25 'top':13C 'unsorted':36 'ver':6A 'version':29,31 'video':5A,28,30
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'Q-MIXBEAT-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['eurodance', 'euro-house', '90s']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic', 'euro house']

============================== file details ==============================
                                           'mtime'  1621696057.0455263  (2021-05-22 17:07:37)
                             'size'  8845468