======================== unified (from filesystem) ========================
                                         'bitrate'  '187.664'
                                        'duration'  '692'
                                          'artist'  'COIL'
                                     'text_people'  ''
                                         'release'  'Musick to Play in the Dark Vol. 2'
                                           'title'  'Ether'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'Q-PLAY-3', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-4', 'q-chart-2', 'q-drums-1', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['dark ambient', 'clinically romantic', 'industrial', 'electronic', "
 "'experimental']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'electronic-ambient-dark'
                                             'bpm'  '84.2'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Musick to Play in the Dark Vol. 2'
'TBPM' (BPM (beats per minute))                     '84.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient-dark'
'TDRC' (Recording time)                             '2000'
'TIT2' (Title/songname/content description)         'Ether'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Coil'
'TPE2' (Band/orchestra/accompaniment)               'COIL'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dark ambient',
 'clinically romantic',
 'industrial',
 'electronic',
 'experimental']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.08 dB'
'TXXX:replaygain_track_peak'                        '1.007514'

========================== row from database ==========================
                                              'id'  1300551
                                            'path'  /data/Music/Bulk/00poprockelectronic/Coil/2000 musick to play in the dark vol. 2/03. ether.mp3
                                         'working'  None
                                         'bitrate'  187
                                    'duration_sec'  692
                                           'genre'  electronic-ambient-dark
                                        'filesize'  16239174
                                           'mtime'  1636910371
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Coil 2000 musick play dark vol. 03. ether electronic ambient dark
                                      'tag_artist'  COIL
                                     'tag_release'  Musick to Play in the Dark Vol. 2
                                       'tag_title'  Ether
                                             'bpm'  84.2
                                    'search_title'  'ether':1
                                   'search_artist'  'coil':1
                                  'search_release'  '2':9 'dark':6 'in':4 'musick':1 'play':3 'the':5 'to':2 'vol':7,8
                                     'search_rest'  '00poprockelectronic':1 '03':9,10 '2000':3 'ambient':13 'coil':2 'dark':6 'electronic':12 'ether':11 'musick':4 'play':5 'vol':7,8
                                    'search_combo'  '00poprockelectronic':12 '03':20,21 '2':11C '2000':14 'ambient':24 'coil':2B,13 'dark':8C,17 'electronic':23 'ether':1A,22 'in':6C 'musick':3C,15 'play':5C,16 'the':7C 'to':4C 'vol':9C,10C,18,19
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'clinically romantic', 'industrial', 'electronic', 'experimental']
                                        'tag_date'  2000
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910370.7295442  (2021-11-14 18:19:30)
                             'size'  16239174