======================== unified (from filesystem) ========================
                                         'bitrate'  '185.587'
                                        'duration'  '453'
                                          'artist'  'Coil'
                                     'text_people'  ''
                                         'release'  'Musick to Play in the Dark Vol. 1'
                                           'title'  'Strange Birds'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dark ambient', 'industrial', 'electronic', 'experimental', 'ambient']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'electronic-ambient-dark'
                                             'bpm'  '100.1'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Musick to Play in the Dark Vol. 1'
'TBPM' (BPM (beats per minute))                     '100.1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-ambient-dark'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         'Strange Birds'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Coil'
'TPE2' (Band/orchestra/accompaniment)               'Coil'
'TRCK' (Track number/Position in set)               '5'
'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:lastfmtags'                                   ['dark ambient', 'industrial', 'electronic', 'experimental', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+6.82 dB'
'TXXX:replaygain_track_peak'                        '0.841529'

========================== row from database ==========================
                                              'id'  1361801
                                            'path'  /data/Music/Bulk/00poprockelectronic/Coil/1999 musick to play in the dark vol. 1/05. strange birds.mp3
                                         'working'  None
                                         'bitrate'  185
                                    'duration_sec'  453
                                           'genre'  electronic-ambient-dark
                                        'filesize'  10512256
                                           'mtime'  1636910371
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1999 musick play dark vol. 05. strange birds electronic ambient dark
                                      'tag_artist'  Coil
                                     'tag_release'  Musick to Play in the Dark Vol. 1
                                       'tag_title'  Strange Birds
                                             'bpm'  100.1
                                    'search_title'  'birds':2 'strange':1
                                   'search_artist'  'coil':1
                                  'search_release'  '1':9 'dark':6 'in':4 'musick':1 'play':3 'the':5 'to':2 'vol':7,8
                                     'search_rest'  '00poprockelectronic':1 '05':8,9 '1999':2 'ambient':13 'birds':11 'dark':5 'electronic':12 'musick':3 'play':4 'strange':10 'vol':6,7
                                    'search_combo'  '00poprockelectronic':13 '05':20,21 '1':12C '1999':14 'ambient':25 'birds':2A,23 'coil':3B 'dark':9C,17 'electronic':24 'in':7C 'musick':4C,15 'play':6C,16 'strange':1A,22 'the':8C 'to':5C 'vol':10C,11C,18,19
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['dark ambient', 'industrial', 'electronic', 'experimental', 'ambient']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636910370.5823174  (2021-11-14 18:19:30)
                             'size'  10512256