======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '143'
                                          'artist'  'isan'
                                     'text_people'  ''
                                         'release'  'plans drawn in pencil'
                                           'title'  'ruined feathers'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'idm', 'electronic', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '142.809'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'plans drawn in pencil'
'TBPM' (BPM (beats per minute))                     '142.809'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'ruined feathers'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'isan'
'TRCK' (Track number/Position in set)               '13'
'TXXX:MP3GAIN_MINMAX'                               '116,164'
'TXXX:MP3GAIN_UNDO'                                 '+004,+004,N'
'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:lastfmtags'                                   ['electronica', 'idm', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.26 dB'
'TXXX:replaygain_track_peak'                        '0.491048'

========================== row from database ==========================
                                              'id'  1283292
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/ISAN/Plans Drawn In Pencil/isan - plans drawn in pencil/13 ruined feathers.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  143
                                           'genre'  electronic
                                        'filesize'  5748381
                                           'mtime'  1636913153
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer ISAN Plans Drawn In Pencil 13 electronic
                                      'tag_artist'  isan
                                     'tag_release'  plans drawn in pencil
                                       'tag_title'  ruined feathers
                                             'bpm'  142.809
                                    'search_title'  'feathers':2 'ruined':1
                                   'search_artist'  'isan':1
                                  'search_release'  'drawn':2 'in':3 'pencil':4 'plans':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'drawn':5 'electronic':8 'in':6 'isan':3 'pencil':7 'plans':4
                                    'search_combo'  '00calmer':9 '00poprockelectronic':8 'drawn':5C,12 'electronic':15 'feathers':2A 'in':6C,13 'isan':3B,10 'pencil':7C,14 'plans':4C,11 'ruined':1A
                                    'tag_tracknum'  13
                                      'num_images'  0
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'idm', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  2006
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913153.288683  (2021-11-14 19:05:53)
                             'size'  5748381