======================== unified (from filesystem) ========================
                                         'bitrate'  '213.308'
                                        'duration'  '272'
                                          'artist'  'The Chemical Brothers'
                                     'text_people'  ''
                                         'release'  'Singles 93-03 Collection Disc1'
                                           'title'  'Song To The Siren'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'electronica', 'techno', 'electronic', 'big beat']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  '13'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-bigbeat'
                                             'bpm'  '110.967'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Singles 93-03 Collection Disc1'
'TBPM' (BPM (beats per minute))                     '110.967'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-bigbeat'
'TDRC' (Recording time)                             '2003'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'Song To The Siren'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Chemical Brothers'
'TRCK' (Track number/Position in set)               '01/13'
'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'                                   ['dance', 'electronica', 'techno', 'electronic', 'big beat']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.70 dB'
'TXXX:replaygain_track_peak'                        '0.429537'

========================== row from database ==========================
                                              'id'  1408741
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/The Chemical Brothers - Chemical Brothers/Chemical Brothers - Singles 93-03/cd1/01 - Song To The Siren.mp3
                                         'working'  None
                                         'bitrate'  213
                                    'duration_sec'  272
                                           'genre'  electronic-generic or radio-bigbeat
                                        'filesize'  7284728
                                           'mtime'  1621695890
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat cd1 01 electronic generic or radio bigbeat
                                      'tag_artist'  The Chemical Brothers
                                     'tag_release'  Singles 93-03 Collection Disc1
                                       'tag_title'  Song To The Siren
                                             'bpm'  110.967
                                    'search_title'  'siren':4 'song':1 'the':3 'to':2
                                   'search_artist'  'brothers':3 'chemical':2 'the':1
                                  'search_release'  '03':3 '93':2 '9303':4 'collection':5 'disc1':6 'singles':1
                                     'search_rest'  '00poprockelectronic':1 'bigbeat':9 'cd1':5 'dance':3 'electronic':6 'generic':2 'or':7 'radio':8 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':14 '03':10C '93':9C '9303':11C 'bigbeat':22 'brothers':7B 'cd1':18 'chemical':6B 'collection':12C 'dance':16 'disc1':13C 'electronic':19 'generic':15 'or':20 'radio':21 'singles':8C 'siren':4A 'song':1A 'the':3A,5B 'to':2A 'trapbeat':17
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'electronica', 'techno', 'electronic', 'big beat']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695890.1737142  (2021-05-22 17:04:50)
                             'size'  7284728