======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '367'
                                          'artist'  'Daft Punk'
                                     'text_people'  ''
                                         'release'  'Discovery'
                                           'title'  'One More Time (feat. Romanthon'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'house', 'electronica', 'electronic', 'techno']"
                                     'discogstags'  "['electronic', 'house', 'downtempo', 'tech house']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '122.957'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Discovery'
'TBPM' (BPM (beats per minute))                     '122.957'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'One More Time (feat. Romanthon'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Daft Punk'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'house', 'downtempo', 'tech house']
'TXXX:lastfmtags'                                   ['dance', 'house', 'electronica', 'electronic', 'techno']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.87 dB'
'TXXX:replaygain_track_peak'                        '0.514839'

========================== row from database ==========================
                                              'id'  1294441
                                            'path'  /data/Music/Bulk/00poprockelectronic/Daft Punk/Discovery/MBZ;#Daft Punk;#Discovery;#01;#One More Time.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  367
                                           'genre'  electronic-th-techno
                                        'filesize'  8826407
                                           'mtime'  1620568783
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic MBZ;#Daft Punk;#Discovery;#01;#One electronic techno
                                      'tag_artist'  Daft Punk
                                     'tag_release'  Discovery
                                       'tag_title'  One More Time (feat. Romanthon
                                             'bpm'  122.957
                                    'search_title'  'feat':4,5 'more':2 'one':1 'romanthon':6 'time':3
                                   'search_artist'  'daft':1 'punk':2
                                  'search_release'  'discovery':1
                                     'search_rest'  '00poprockelectronic':1 '01':8,12 'daft':3,5 'discovery':7,11 'electronic':14 'mbz':2,4 'one':9,13 'punk':6,10 'techno':15
                                    'search_combo'  '00poprockelectronic':10 '01':17,21 'daft':7B,12,14 'discovery':9C,16,20 'electronic':23 'feat':4A,5A 'mbz':11,13 'more':2A 'one':1A,18,22 'punk':8B,15,19 'romanthon':6A 'techno':24 'time':3A
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10B
                                           '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-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'electronica', 'electronic', 'techno']
                                        'tag_date'  2001
                                     'discogstags'  ['electronic', 'house', 'downtempo', 'tech house']

============================== file details ==============================
                                           'mtime'  1620568783.3011744  (2021-05-09 15:59:43)
                             'size'  8826407