======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '280'
                                          'artist'  'pornophonique'
                                     'text_people'  ''
                                         'release'  'The Procacci Remixes, Volume I'
                                           'title'  "Sad Robot (Procacci's Funky An"
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', "
 "'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', 'q-mixbeat-3']")
                                      'lastfmtags'  "['8-bit', 'electronic', 'alternative', 'rock', '8bit']"
                                     'discogstags'  "['pop rock', 'chiptune', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '90.090'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Procacci Remixes, Volume I'
'TBPM' (BPM (beats per minute))                     '90.090'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         "Sad Robot (Procacci's Funky An"
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'pornophonique'
'TRCK' (Track number/Position in set)               '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['pop rock', 'chiptune', 'electronic']
'TXXX:lastfmtags'                                   ['8-bit', 'electronic', 'alternative', 'rock', '8bit']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.37 dB'
'TXXX:replaygain_track_peak'                        '0.500221'

========================== row from database ==========================
                                              'id'  1297402
                                            'path'  /data/Music/Bulk/00poprockelectronic/pornophonique/Sad Robot(Funky Android Deconstruction).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  280
                                           'genre'  electronic-unsorted
                                        'filesize'  4498279
                                           'mtime'  1620573834
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Robot(Funky Android Deconstruction) electronic unsorted
                                      'tag_artist'  pornophonique
                                     'tag_release'  The Procacci Remixes, Volume I
                                       'tag_title'  Sad Robot (Procacci's Funky An
                                             'bpm'  90.09
                                    'search_title'  'an':7 'funky':6 'procacci':3 'procaccis':5 'robot':2 's':4 'sad':1
                                   'search_artist'  'pornophonique':1
                                  'search_release'  'i':6 'procacci':2 'remixes':3,4 'the':1 'volume':5
                                     'search_rest'  '00poprockelectronic':1 'android':5 'deconstruction':6,7 'electronic':8 'funky':3 'robot':2 'robotfunky':4 'unsorted':9
                                    'search_combo'  '00poprockelectronic':15 'an':7A 'android':19 'deconstruction':20,21 'electronic':22 'funky':6A,17 'i':14C 'pornophonique':8B 'procacci':3A,10C 'procaccis':5A 'remixes':11C,12C 'robot':2A,16 'robotfunky':18 's':4A 'sad':1A 'the':9C 'unsorted':23 'volume':13C
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-1', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['8-bit', 'electronic', 'alternative', 'rock', '8bit']
                                        'tag_date'  2007
                                     'discogstags'  ['pop rock', 'chiptune', 'electronic']

============================== file details ==============================
                                           'mtime'  1620573834.0702503  (2021-05-09 17:23:54)
                             'size'  4498279