======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '216'
                                          'artist'  'The Prodigy'
                                     'text_people'  ''
                                         'release'  'Invaders Must Die '
                                           'title'  'Mescaline'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['industrial', 'dance', 'techno', 'electronic', 'electronica']"
                                     'discogstags'  "['breakbeat', 'breaks', 'dubstep', 'big beat', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  ''
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '140.141'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Invaders Must Die '
'TBPM' (BPM (beats per minute))                     '140.141'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDOR' (Original release time)                      '2009'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'Mescaline'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Prodigy'
'TRCK' (Track number/Position in set)               '7'
'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'                                  ['breakbeat', 'breaks', 'dubstep', 'big beat', 'electronic']
'TXXX:lastfmtags'                                   ['industrial', 'dance', 'techno', 'electronic', 'electronica']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.02 dB'
'TXXX:replaygain_track_peak'                        '0.233031'

========================== row from database ==========================
                                              'id'  1298050
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/(f) 6 mescaline.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  216
                                           'genre'  electronic-th-techno
                                        'filesize'  6934196
                                           'mtime'  1620572496
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] (f) 6 mescaline electronic th techno
                                      'tag_artist'  The Prodigy
                                     'tag_release'  Invaders Must Die 
                                       'tag_title'  Mescaline
                                             'bpm'  140.141
                                    'search_title'  'mescaline':1
                                   'search_artist'  'prodigy':2 'the':1
                                  'search_release'  'die':3 'invaders':1 'must':2
                                     'search_rest'  '00poprockelectronic':1 '6':9 'electronic':11 'f':7,8 'files':5,6 'loose':3,4 'mescaline':10 'techno':13 'th':12 'unsorted':2
                                    'search_combo'  '00poprockelectronic':7 '6':15 'die':6C 'electronic':17 'f':13,14 'files':11,12 'invaders':4C 'loose':9,10 'mescaline':1A,16 'must':5C 'prodigy':3B 'techno':19 'th':18 'the':2B 'unsorted':8
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'dance', 'techno', 'electronic', 'electronica']
                                        'tag_date'  2009
                                     'discogstags'  ['breakbeat', 'breaks', 'dubstep', 'big beat', 'electronic']

============================== file details ==============================
                                           'mtime'  1620572495.9565403  (2021-05-09 17:01:35)
                             'size'  6934196