======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '284'
                                          'artist'  'Scissor Sisters'
                                     'text_people'  ''
                                         'release'  'Scissor Sisters'
                                           'title'  'Mary'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', "
 "'Q-PIANO-2', 'q-chart-4', 'q-drums-3', 'q-other-2', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'alternative', 'electronic', 'pop', 'glam rock']"
                                     'discogstags'  "['electronic', 'rock', 'pop', 'pop rock', 'glam', 'electroclash']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'rock-pop-glam'
                                             'bpm'  '143.721'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Scissor Sisters'
'TBPM' (BPM (beats per minute))                     '143.721'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-glam'
'TDRC' (Recording time)                             '2004'
'TIT2' (Title/songname/content description)         'Mary'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Scissor Sisters'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'pop', 'pop rock', 'glam', 'electroclash']
'TXXX:lastfmtags'                                   ['dance', 'alternative', 'electronic', 'pop', 'glam rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.32 dB'
'TXXX:replaygain_track_peak'                        '0.411434'

========================== row from database ==========================
                                              'id'  1357791
                                            'path'  /data/Music/Bulk/00poprockelectronic/Scissor Sisters/MBZ;#Scissor Sisters;#Scissor Sisters;#04;#Mary.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  284
                                           'genre'  rock-pop-glam
                                        'filesize'  6829650
                                           'mtime'  1621696547
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Scissor Sisters;#Scissor Sisters;#04;#Mary rock pop glam
                                      'tag_artist'  Scissor Sisters
                                     'tag_release'  Scissor Sisters
                                       'tag_title'  Mary
                                             'bpm'  143.721
                                    'search_title'  'mary':1
                                   'search_artist'  'scissor':1 'sisters':2
                                  'search_release'  'scissor':1 'sisters':2
                                     'search_rest'  '00poprockelectronic':1 '04':11,14 'glam':18 'mary':12,15 'mbz':2,4 'pop':17 'rock':16 'scissor':3,5,7,9 'sisters':6,8,10,13
                                    'search_combo'  '00poprockelectronic':6 '04':16,19 'glam':23 'mary':1A,17,20 'mbz':7,9 'pop':22 'rock':21 'scissor':2B,4C,8,10,12,14 'sisters':3B,5C,11,13,15,18
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'Q-PLAY-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'alternative', 'electronic', 'pop', 'glam rock']
                                        'tag_date'  2004
                                     'discogstags'  ['electronic', 'rock', 'pop', 'pop rock', 'glam', 'electroclash']

============================== file details ==============================
                                           'mtime'  1621696547.020933  (2021-05-22 17:15:47)
                             'size'  6829650