======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '257'
                                          'artist'  'Erasure'
                                     'text_people'  ''
                                         'release'  'I Say I Say I Say'
                                           'title'  "Because You're So Sweet"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'scrubs', 'pop', 'synthpop']"
                                     'discogstags'  "['electronic', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop'
                                             'bpm'  '128.008'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'I Say I Say I Say'
'TBPM' (BPM (beats per minute))                     '128.008'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-electropop or synthpop'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         "Because You're So Sweet"
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Erasure'
'TRCK' (Track number/Position in set)               '10'
'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', 'synth-pop']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'scrubs', 'pop', 'synthpop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.00 dB'
'TXXX:replaygain_track_peak'                        '0.644183'

========================== row from database ==========================
                                              'id'  1505438
                                            'path'  /data/Music/Bulk/00poprockelectronic/Erasure/Because You_re So Sweet (Erasure, I Say I Say I Say).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  257
                                           'genre'  electronic-we-electropop or synthpop
                                        'filesize'  4128214
                                           'mtime'  1622757452
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic You_re (Erasure, Say) electronic electropop or synthpop
                                      'tag_artist'  Erasure
                                     'tag_release'  I Say I Say I Say
                                       'tag_title'  Because You're So Sweet
                                             'bpm'  128.008
                                    'search_title'  'because':1 're':3 'so':5 'sweet':6 'you':2 'youre':4
                                   'search_artist'  'erasure':1
                                  'search_release'  'i':1 'say':2
                                     'search_rest'  '00poprockelectronic':1 'electronic':8 'electropop':9 'erasure':4,5 'or':10 're':3 'say':6,7 'synthpop':11 'you':2
                                    'search_combo'  '00poprockelectronic':10 'because':1A 'electronic':17 'electropop':18 'erasure':7B,13,14 'i':8C 'or':19 're':3A,12 'say':9C,15,16 'so':5A 'sweet':6A 'synthpop':20 'you':2A,11 'youre':4A
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'scrubs', 'pop', 'synthpop']
                                        'tag_date'  1994
                                     'discogstags'  ['electronic', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1622757452.361502  (2021-06-03 23:57:32)
                             'size'  4128214