======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '520'
                                          'artist'  'Nocturnal Emissions'
                                     'text_people'  ''
                                         'release'  'Futurist Antiquarianism'
                                           'title'  'Earthlights'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dark ambient', 'noise', 'industrial', 'experimental', 'ambient']"
                                     'discogstags'  "['electronic', 'breakbeat', 'drum n bass', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-ambient'
                                             'bpm'  '84.8'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Futurist Antiquarianism'
'TBPM' (BPM (beats per minute))                     '84.8'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'Earthlights'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Nocturnal Emissions'
'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', 'breakbeat', 'drum n bass', 'experimental']
'TXXX:lastfmtags'                                   ['dark ambient', 'noise', 'industrial', 'experimental', 'ambient']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.20 dB'
'TXXX:replaygain_track_peak'                        '0.556888'

========================== row from database ==========================
                                              'id'  986003
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Epitonic ambient/Nocturnal Emissions-Earthlights.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  520
                                           'genre'  electronic-ambient
                                        'filesize'  8337280
                                           'mtime'  1636910371
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Epitonic ambient electronic ambient
                                      'tag_artist'  Nocturnal Emissions
                                     'tag_release'  Futurist Antiquarianism
                                       'tag_title'  Earthlights
                                             'bpm'  84.8
                                    'search_title'  'earthlights':1
                                   'search_artist'  'emissions':2 'nocturnal':1
                                  'search_release'  'antiquarianism':2 'futurist':1
                                     'search_rest'  'ambient':2 'electronic':3 'epitonic':1
                                    'search_combo'  'ambient':7 'antiquarianism':5C 'earthlights':1A 'electronic':8 'emissions':3B 'epitonic':6 'futurist':4C 'nocturnal':2B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           '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-4', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'noise', 'industrial', 'experimental', 'ambient']
                                        'tag_date'  1997
                                     'discogstags'  ['electronic', 'breakbeat', 'drum n bass', 'experimental']

============================== file details ==============================
                                           'mtime'  1636910370.728306  (2021-11-14 18:19:30)
                             'size'  8337280