======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '102'
                                          'artist'  'Multicast Dynamics'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Wormhole'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-1', 'q-busy-3', "
 "'q-grit-2', 'q-play-3', 'Q-OLDST-3', 'q-chart-1', 'q-drums-4', 'q-other-2', "
 "'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['ambient', 'earwaves', 'drone', 'deepspaceone', 'tronicram']"
                                     'discogstags'  "['electronic', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '120.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '120.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Wormhole'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Multicast Dynamics'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'ambient']
'TXXX:lastfmtags'                                   ['ambient', 'earwaves', 'drone', 'deepspaceone', 'tronicram']
'TXXX:other'                                        '14014040'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-4.39 dB'
'TXXX:replaygain_track_peak'                        '0.870851'

========================== row from database ==========================
                                              'id'  940477
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/soundcloud/fieldrecords/Multicast Dynamics - Wormhole-14014040.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  102
                                           'genre'  electronic-unsorted
                                        'filesize'  1635568
                                           'mtime'  1647350747
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm soundcloud fieldrecords 14014040 electronic unsorted
                                      'tag_artist'  Multicast Dynamics
                                     'tag_release'  None
                                       'tag_title'  Wormhole
                                             'bpm'  120.0
                                    'search_title'  'wormhole':1
                                   'search_artist'  'dynamics':2 'multicast':1
                                  'search_release'  
                                     'search_rest'  '14014040':3 'electronic':4 'fieldrecords':2 'soundcloud':1 'unsorted':5
                                    'search_combo'  '14014040':6 'dynamics':3B 'electronic':7 'fieldrecords':5 'multicast':2B 'soundcloud':4 'unsorted':8 'wormhole':1A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'Q-OLDST-3', 'q-chart-1', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']
                                      'lastfmtags'  ['ambient', 'earwaves', 'drone', 'deepspaceone', 'tronicram']
                                        'tag_date'  2015
                                     'discogstags'  ['electronic', 'ambient']

============================== file details ==============================
                                           'mtime'  1647350746.9403203  (2022-03-15 14:25:46)
                             'size'  1635568