======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '606'
                                          'artist'  'secede'
                                     'text_people'  ''
                                         'release'  'bye bye gridlock traffic'
                                           'title'  'crave and fall'
                                           '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-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['deepspaceone', 'idm', 'electronic', 'chillout', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '107.265'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'bye bye gridlock traffic'
'TBPM' (BPM (beats per minute))                     '107.265'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'crave and fall'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'secede'
'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'                                   ['deepspaceone', 'idm', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.71 dB'
'TXXX:replaygain_track_peak'                        '0.638770'

========================== row from database ==========================
                                              'id'  1331628
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Secede/Bye Bye Gridlock Traffic/04-crave_and_fall-soup.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  606
                                           'genre'  electronic
                                        'filesize'  14565095
                                           'mtime'  1636913365
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer Secede Bye Bye Gridlock Traffic 04 crave_and_fall soup electronic
                                      'tag_artist'  secede
                                     'tag_release'  bye bye gridlock traffic
                                       'tag_title'  crave and fall
                                             'bpm'  107.265
                                    'search_title'  'and':2 'crave':1 'fall':3
                                   'search_artist'  'secede':1
                                  'search_release'  'bye':1 'gridlock':2 'traffic':3
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'and':8 'bye':4 'crave':7 'electronic':11 'fall':9 'gridlock':5 'secede':3 'soup':10 'traffic':6
                                    'search_combo'  '00calmer':9 '00poprockelectronic':8 'and':2A,15 'bye':5C,11 'crave':1A,14 'electronic':18 'fall':3A,16 'gridlock':6C,12 'secede':4B,10 'soup':17 'traffic':7C,13
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  5A
                                           '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-2', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['deepspaceone', 'idm', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636913365.0929427  (2021-11-14 19:09:25)
                             'size'  14565095