======================== unified (from filesystem) ========================
                                         'bitrate'  '233.223'
                                        'duration'  '397'
                                          'artist'  'Stars of the Lid'
                                     'text_people'  ''
                                         'release'  'Pitchfork: The Top 500 Tracks of the 2000s'
                                           'title'  'Requiem for Dying Mothers (Part 1)'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']")
                                      'lastfmtags'  "['instrumental', 'electronic', 'drone', 'post rock', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '353'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted'
                                             'bpm'  '142.108'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pitchfork: The Top 500 Tracks of the 2000s'
'TBPM' (BPM (beats per minute))                     '142.108'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-unsorted'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Requiem for Dying Mothers (Part 1)'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Stars of the Lid'
'TRCK' (Track number/Position in set)               '353'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['instrumental', 'electronic', 'drone', 'post rock', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.98 dB'
'TXXX:replaygain_track_peak'                        '0.994861'

========================== row from database ==========================
                                              'id'  1334988
                                            'path'  /data/Music/Bulk/00poprockelectronic/VA - Pitchfork - The Top 500 Tracks of the 2000s/353 - Stars of the Lid - Requiem for Dying Mothers (Part 1).mp3
                                         'working'  None
                                         'bitrate'  233
                                    'duration_sec'  397
                                           'genre'  electronic-generic or radio-unsorted
                                        'filesize'  11601648
                                           'mtime'  1620573300
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic VA 353 electronic generic radio unsorted
                                      'tag_artist'  Stars of the Lid
                                     'tag_release'  Pitchfork: The Top 500 Tracks of the 2000s
                                       'tag_title'  Requiem for Dying Mothers (Part 1)
                                             'bpm'  142.108
                                    'search_title'  '1':7,8 'dying':3 'for':2 'mothers':4 'part':5,6 'requiem':1
                                   'search_artist'  'lid':4 'of':2 'stars':1 'the':3
                                  'search_release'  '2000s':8 '500':5 'of':7 'pitchfork':1,2 'the':3 'top':4 'tracks':6
                                     'search_rest'  '00poprockelectronic':1 '353':3 'electronic':4 'generic':5 'radio':6 'unsorted':7 'va':2
                                    'search_combo'  '00poprockelectronic':21 '1':7A,8A '2000s':20C '353':23 '500':17C 'dying':3A 'electronic':24 'for':2A 'generic':25 'lid':12B 'mothers':4A 'of':10B,19C 'part':5A,6A 'pitchfork':13C,14C 'radio':26 'requiem':1A 'stars':9B 'the':11B,15C 'top':16C 'tracks':18C 'unsorted':27 'va':22
                                    'tag_tracknum'  353
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'electronic', 'drone', 'post rock', 'ambient']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573299.9027047  (2021-05-09 17:14:59)
                             'size'  11601648