======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '162'
                                          'artist'  'Air'
                                     'text_people'  ''
                                         'release'  'Love 2'
                                           'title'  'Love'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['electronica', 'electronic', 'french', 'chillout', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '12'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic;electronic-shoegaze or dreampop'
                                             'bpm'  '102.749'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:ID3v1 Comment:XXX'                            ' 00000C9A 0000025C 00007665'
'COMM:iTunNORM:eng'                                 (' 00000C9A 0000025C 00007665 00003F7A 0001762F 00019D92 00008045 000075BB '
 '0001AFF0 0002022F')
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A20 00000000006D6950 00000000 00000000 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Love 2'
'TBPM' (BPM (beats per minute))                     '102.749'
'TCON' (Content type, a.k.a. Genre)                 ['electronic', 'electronic-shoegaze or dreampop']
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Love'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Air'
'TRCK' (Track number/Position in set)               '2/12'
'TSSE' (Software/Hardware and settings used for encoding)  'GarageBand 5.1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'french', 'chillout', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.33 dB'
'TXXX:replaygain_track_peak'                        '0.498102'

========================== row from database ==========================
                                              'id'  762129
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Air - LOVE.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  162
                                           'genre'  electronic;electronic-shoegaze or dreampop
                                        'filesize'  5238436
                                           'mtime'  1636912968
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism LOVE electronic;electronic shoegaze or dreampop
                                      'tag_artist'  Air
                                     'tag_release'  Love 2
                                       'tag_title'  Love
                                             'bpm'  102.749
                                    'search_title'  'love':1
                                   'search_artist'  'air':1
                                  'search_release'  '2':2 'love':1
                                     'search_rest'  'dreampop':12 'electronic':6,7,8,9 'hiphop':1 'love':5 'or':11 'rap':2 'rnb':3 'shoegaze':10 'turntablism':4
                                    'search_combo'  '2':4C 'air':2B 'dreampop':16 'electronic':10,11,12,13 'hiphop':5 'love':1A,3C,9 'or':15 'rap':6 'rnb':7 'shoegaze':14 'turntablism':8
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-2', '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-3', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'french', 'chillout', 'ambient']
                                        'tag_date'  2009
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636912968.2924504  (2021-11-14 19:02:48)
                             'size'  5238436