======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '295'
                                          'artist'  'The Disco Boys'
                                     'text_people'  ''
                                         'release'  'miscitalo'
                                           'title'  'Hey St. Peter (radio mix)'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'house', 'disco', 'club', 'techno', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '129.315'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'miscitalo'
'TBPM' (BPM (beats per minute))                     '129.315'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Hey St. Peter (radio mix)'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Disco Boys'
'TRCK' (Track number/Position in set)               '1'
'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'                                   ['dance', 'house', 'disco', 'club', 'techno', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'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'                        '-1.40 dB'
'TXXX:replaygain_track_peak'                        '0.555487'

========================== row from database ==========================
                                              'id'  1283734
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/The Disco Boys/Disco Boys, The__01 - Hey St. Peter (radio mix).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  295
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  4727284
                                           'mtime'  1620610824
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco Boys, The__01 electronic we disco or
                                      'tag_artist'  The Disco Boys
                                     'tag_release'  miscitalo
                                       'tag_title'  Hey St. Peter (radio mix)
                                             'bpm'  129.315
                                    'search_title'  'hey':1 'mix':7,8 'peter':4 'radio':5,6 'st':2,3
                                   'search_artist'  'boys':3 'disco':2 'the':1
                                  'search_release'  'miscitalo':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '01':8 'boys':5,6 'disco':3 'electronic':9 'or':11 'the':7 'waves':2 'we':10
                                    'search_combo'  '00disco':16 '00poprockelectronic':13 '01':20 'boys':11B,17,18 'disco':10B,15 'electronic':21 'hey':1A 'miscitalo':12C 'mix':7A,8A 'or':23 'peter':4A 'radio':5A,6A 'st':2A,3A 'the':9B,19 'waves':14 'we':22
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-2', 'q-other-2', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['dance', 'house', 'disco', 'club', 'techno', 'electronic']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620610824.4346635  (2021-05-10 03:40:24)
                             'size'  4727284