======================== unified (from filesystem) ========================
                                         'bitrate'  '320.006'
                                        'duration'  '524'
                                          'artist'  'Grouper'
                                     'text_people'  ''
                                         'release'  'Way Their Crept'
                                           'title'  'Close Cloak'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dark ambient', 'shoegaze', 'drone', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic', 'rock', 'folk rock', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic;electronic-unsorted'
                                             'bpm'  '138.323'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Way Their Crept'
'TBPM' (BPM (beats per minute))                     '138.323'
'TCON' (Content type, a.k.a. Genre)                 ['electronic', 'electronic-unsorted']
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'Close Cloak'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Grouper'
'TPUB' (Publisher)                                  'Type'
'TRCK' (Track number/Position in set)               '7'
'TSSE' (Software/Hardware and settings used for encoding)  'LAME v3.97'
'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', 'rock', 'folk rock', 'experimental', 'ambient']
'TXXX:lastfmtags'                                   ['dark ambient', 'shoegaze', 'drone', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.15 dB'
'TXXX:replaygain_track_peak'                        '0.440180'

========================== row from database ==========================
                                              'id'  1295270
                                            'path'  /data/Music/Bulk/00poprockelectronic/Grouper/Way Their Crept/07 - grouper - close cloak.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  524
                                           'genre'  electronic;electronic-unsorted
                                        'filesize'  20994517
                                           'mtime'  1636914063
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 07 grouper close cloak electronic;electronic unsorted
                                      'tag_artist'  Grouper
                                     'tag_release'  Way Their Crept
                                       'tag_title'  Close Cloak
                                             'bpm'  138.323
                                    'search_title'  'cloak':2 'close':1
                                   'search_artist'  'grouper':1
                                  'search_release'  'crept':3 'their':2 'way':1
                                     'search_rest'  '00poprockelectronic':1 'cloak':4 'close':3 'electronic':5,6,7,8 'grouper':2 'unsorted':9
                                    'search_combo'  '00poprockelectronic':7 'cloak':2A,10 'close':1A,9 'crept':6C 'electronic':11,12,13,14 'grouper':3B,8 'their':5C 'unsorted':15 'way':4C
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'shoegaze', 'drone', 'experimental', 'ambient']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'rock', 'folk rock', 'experimental', 'ambient']

============================== file details ==============================
                                           'mtime'  1636914062.5947409  (2021-11-14 19:21:02)
                             'size'  20994517