======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '509'
                                          'artist'  'Kilowatts'
                                     'text_people'  ''
                                         'release'  'Undercurrents'
                                           'title'  'Nightshade'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-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-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['downtempo', 'idm', 'electronic', 'chillout', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '84.140'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Undercurrents'
'TBPM' (BPM (beats per minute))                     '84.140'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Nightshade'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Kilowatts'
'TRCK' (Track number/Position in set)               '6'
'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'
'TXXX:lastfmtags'                                   ['downtempo', 'idm', 'electronic', 'chillout', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.98 dB'
'TXXX:replaygain_track_peak'                        '0.601216'

========================== row from database ==========================
                                              'id'  232993
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/0synth_and_beat/KiloWatts/kilowatts - 2009 - undercurrent/undercurrent - 06 nightshade_kilowatts.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  509
                                           'genre'  electronic
                                        'filesize'  20390054
                                           'mtime'  1636912273
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 0synth_and_beat KiloWatts kilowatts 2009 undercurrent undercurrent 06 nightshade_kilowatts electronic
                                      'tag_artist'  Kilowatts
                                     'tag_release'  Undercurrents
                                       'tag_title'  Nightshade
                                             'bpm'  84.14
                                    'search_title'  'nightshade':1
                                   'search_artist'  'kilowatts':1
                                  'search_release'  'undercurrents':1
                                     'search_rest'  '0synth':1 '2009':5 'and':2 'beat':3 'electronic':9 'kilo':10 'kilowatts':4,8 'nightshade':7 'undercurrent':6 'watts':11
                                    'search_combo'  '0synth':4 '2009':8 'and':5 'beat':6 'electronic':12 'kilo':13 'kilowatts':2B,7,11 'nightshade':1A,10 'undercurrent':9 'undercurrents':3C 'watts':14
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['downtempo', 'idm', 'electronic', 'chillout', 'ambient']
                                        'tag_date'  2009
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636912273.441737  (2021-11-14 18:51:13)
                             'size'  20390054