======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '367'
                                          'artist'  'Aphex Twin'
                                     'text_people'  ''
                                         'release'  'I Care Because You Do'
                                           'title'  'Icct Hedral (edit)'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-4', 'q-grit-3', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['draq', 'drjazzmrfunkmusic', 'electric textures']"
                                     'discogstags'  "['electronic', 'techno', 'idm']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-glitch-breakcore'
                                             'bpm'  '104.660'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'I Care Because You Do'
'TBPM' (BPM (beats per minute))                     '104.660'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-glitch-breakcore'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Icct Hedral (edit)'
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Aphex Twin'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:discogstags'                                  ['electronic', 'techno', 'idm']
'TXXX:lastfmtags'                                   ['draq', 'drjazzmrfunkmusic', 'electric textures']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '4'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.36 dB'
'TXXX:replaygain_track_peak'                        '0.502172'

========================== row from database ==========================
                                              'id'  163250
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Aphex Twin/1995 - ...I Care Because You Do/04-aphex_twin-icct_hedral_(edit).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  367
                                           'genre'  electronic-experimental-glitch-breakcore
                                        'filesize'  14689122
                                           'mtime'  1620522393
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1995 ...I 04 aphex_twin icct_hedral_(edit) electronic experimental glitch breakcore
                                      'tag_artist'  Aphex Twin
                                     'tag_release'  I Care Because You Do
                                       'tag_title'  Icct Hedral (edit)
                                             'bpm'  104.66
                                    'search_title'  'edit':3,4 'hedral':2 'icct':1
                                   'search_artist'  'aphex':1 'twin':2
                                  'search_release'  'because':3 'care':2 'do':5 'i':1 'you':4
                                     'search_rest'  '1995':1 'aphex':4 'breakcore':15 'edit':8,11 'electronic':12 'experimental':13 'glitch':14 'hedral':7,10 'i':2,3 'icct':6,9 'twin':5
                                    'search_combo'  '1995':12 'aphex':5B,15 'because':9C 'breakcore':26 'care':8C 'do':11C 'edit':3A,4A,19,22 'electronic':23 'experimental':24 'glitch':25 'hedral':2A,18,21 'i':7C,13,14 'icct':1A,17,20 'twin':6B,16 'you':10C
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-4', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['draq', 'drjazzmrfunkmusic', 'electric textures']
                                        'tag_date'  1995
                                     'discogstags'  ['electronic', 'techno', 'idm']

============================== file details ==============================
                                           'mtime'  1620522393.1833138  (2021-05-09 03:06:33)
                             'size'  14689122