======================== unified (from filesystem) ========================
                                         'bitrate'  '249.75'
                                        'duration'  '217'
                                          'artist'  'Missy Elliott'
                                     'text_people'  ''
                                         'release'  'Pitchfork: The Top 500 Tracks of the 2000s'
                                           'title'  'Bomb Intro/Pass That Dutch'
                                           'quals'  ("['Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-2', 'Q-OLDST-3', 'Q-UNU-1', "
 "'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-2']")
                                      'lastfmtags'  "['rnb', 'female vocalists', 'hip hop', 'rap']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '291'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '110.724'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pitchfork: The Top 500 Tracks of the 2000s'
'TBPM' (BPM (beats per minute))                     '110.724'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Bomb Intro/Pass That Dutch'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Missy Elliott'
'TRCK' (Track number/Position in set)               '291'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rnb', 'female vocalists', 'hip hop', 'rap']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+3.25 dB'
'TXXX:replaygain_track_peak'                        '0.404162'

========================== row from database ==========================
                                              'id'  1337129
                                            'path'  /data/Music/Bulk/00poprockelectronic/VA - Pitchfork - The Top 500 Tracks of the 2000s/291 - Missy Elliott - Bomb IntroPass That Dutch.mp3
                                         'working'  None
                                         'bitrate'  249
                                    'duration_sec'  217
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  6784950
                                           'mtime'  1620573295
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic VA 291 IntroPass electronic generic radio unsorted
                                      'tag_artist'  Missy Elliott
                                     'tag_release'  Pitchfork: The Top 500 Tracks of the 2000s
                                       'tag_title'  Bomb Intro/Pass That Dutch
                                             'bpm'  110.724
                                    'search_title'  'bomb':1 'dutch':6 'intro':2 'intropass':4 'pass':3 'that':5
                                   'search_artist'  'elliott':2 'missy':1
                                  'search_release'  '2000s':8 '500':5 'of':7 'pitchfork':1,2 'the':3 'top':4 'tracks':6
                                     'search_rest'  '00poprockelectronic':1 '291':3 'electronic':5 'generic':6 'intro':9 'intropass':4 'pass':10 'radio':7 'unsorted':8 'va':2
                                    'search_combo'  '00poprockelectronic':17 '2000s':16C '291':19 '500':13C 'bomb':1A 'dutch':6A 'electronic':21 'elliott':8B 'generic':22 'intro':2A,25 'intropass':4A,20 'missy':7B 'of':15C 'pass':3A,26 'pitchfork':9C,10C 'radio':23 'that':5A 'the':11C 'top':12C 'tracks':14C 'unsorted':24 'va':18
                                    'tag_tracknum'  291
                                      'num_images'  0
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-1', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['rnb', 'female vocalists', 'hip hop', 'rap']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573294.5029886  (2021-05-09 17:14:54)
                             'size'  6784950