======================== unified (from filesystem) ========================
                                         'bitrate'  '256.042'
                                        'duration'  '577'
                                          'artist'  'Underworld'
                                     'text_people'  ''
                                         'release'  '1992-2002 (disc 2)'
                                           'title'  "Pearl's Girl"
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'dance', 'techno', 'electronic', 'trance']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno;electronic-th-trance'
                                             'bpm'  '93.760'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '1992-2002 (disc 2)'
'TBPM' (BPM (beats per minute))                     '93.760'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-th-techno', 'electronic-th-trance']
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         "Pearl's Girl"
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Underworld'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['electronica', 'dance', 'techno', 'electronic', 'trance']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.53 dB'
'TXXX:replaygain_track_peak'                        '0.474140'

========================== row from database ==========================
                                              'id'  1509859
                                            'path'  /data/Music/Bulk/00poprockelectronic/Underworld/1992-2002/Underworld - 1992-2002 (disc 2) - 03 - Pearl_s Girl.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  577
                                           'genre'  electronic-th-techno;electronic-th-trance
                                        'filesize'  18477421
                                           'mtime'  1620572448
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 03 Pearl_s electronic th techno;electronic th trance
                                      'tag_artist'  Underworld
                                     'tag_release'  1992-2002 (disc 2)
                                       'tag_title'  Pearl's Girl
                                             'bpm'  93.76
                                    'search_title'  'girl':4 'pearl':1 'pearls':3 's':2
                                   'search_artist'  'underworld':1
                                  'search_release'  '1992':1 '19922002':3 '2':6,7 '2002':2 'disc':4,5
                                     'search_rest'  '00poprockelectronic':1 'electronic':4,7,9 'pearl':2 's':3 'techno':6,8 'th':5 'trance':10
                                    'search_combo'  '00poprockelectronic':13 '1992':6C '19922002':8C '2':11C,12C '2002':7C 'disc':9C,10C 'electronic':16,19,21 'girl':4A 'pearl':1A,14 'pearls':3A 's':2A,15 'techno':18,20 'th':17 'trance':22 'underworld':5B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'dance', 'techno', 'electronic', 'trance']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572448.1687417  (2021-05-09 17:00:48)
                             'size'  18477421