======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '413'
                                          'artist'  'Bowery Electric'
                                     'text_people'  ''
                                         'release'  'Beat'
                                           'title'  'Black Light'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['post rock', 'shoegaze', 'trip hop', 'electronic', 'ambient']"
                                     'discogstags'  "['electronic', 'rock', 'trip hop', 'shoegaze', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '131.584'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Beat'
'TBPM' (BPM (beats per minute))                     '131.584'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Black Light'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bowery Electric'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'trip hop', 'shoegaze', 'ambient']
'TXXX:lastfmtags'                                   ['post rock', 'shoegaze', 'trip hop', 'electronic', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.61 dB'
'TXXX:replaygain_track_peak'                        '0.639558'

========================== row from database ==========================
                                              'id'  1324911
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Bowery Electric/Beat/07 - black light.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  413
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  6632194
                                           'mtime'  1636910359
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip 07 black light electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Bowery Electric
                                     'tag_release'  Beat
                                       'tag_title'  Black Light
                                             'bpm'  131.584
                                    'search_title'  'black':1 'light':2
                                   'search_artist'  'bowery':1 'electric':2
                                  'search_release'  'beat':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 'acid':10 'black':3 'downtempo':9 'electronic':5 'hop':7 'jazz':11 'light':4 'or':8 'trip':6
                                    'search_combo'  '00poprockelectronic':6 '00trip':7 'acid':15 'beat':5C 'black':1A,8 'bowery':3B 'downtempo':14 'electric':4B 'electronic':10 'hop':12 'jazz':16 'light':2A,9 'or':13 'trip':11
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['post rock', 'shoegaze', 'trip hop', 'electronic', 'ambient']
                                        'tag_date'  1996
                                     'discogstags'  ['electronic', 'rock', 'trip hop', 'shoegaze', 'ambient']

============================== file details ==============================
                                           'mtime'  1636910358.5537524  (2021-11-14 18:19:18)
                             'size'  6632194