======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '106'
                                          'artist'  'Yellow Magic Orchestra'
                                     'text_people'  ''
                                         'release'  'Yellow Magic Orchestra'
                                           'title'  'Computer Game "Theme From the Circus"'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['electronica', 'techno', 'electronic', 'japanese', 'synthpop']"
                                     'discogstags'  "['electronic', 'electro', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '1979'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;loc-asia-japan-jrock'
                                             'bpm'  '120.113'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Yellow Magic Orchestra'
'TBPM' (BPM (beats per minute))                     '120.113'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'loc-asia-japan-jrock']
'TDRC' (Recording time)                             '1979'
'TIT2' (Title/songname/content description)         'Computer Game "Theme From the Circus"'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Yellow Magic Orchestra'
'TRCK' (Track number/Position in set)               '1'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'electro', 'synth-pop']
'TXXX:lastfmtags'                                   ['electronica', 'techno', 'electronic', 'japanese', 'synthpop']
'TXXX:original release date'                        ['1979', '1979']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.09 dB'
'TXXX:replaygain_track_peak'                        '0.611204'

========================== row from database ==========================
                                              'id'  929004
                                            'path'  /data/Music/Bulk/00localcharacter/00asia/Unsorted/02 [1979] Yellow Magic Orchestra USA (Remastered)__cifs94bd.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  106
                                           'genre'  loc-asia-japan;loc-asia-japan-jrock
                                        'filesize'  2566029
                                           'mtime'  1621489920
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00asia Unsorted 02 [1979] USA (Remastered)__cifs94bd loc asia japan;loc asia japan jrock
                                      'tag_artist'  Yellow Magic Orchestra
                                     'tag_release'  Yellow Magic Orchestra
                                       'tag_title'  Computer Game "Theme From the Circus"
                                             'bpm'  120.113
                                    'search_title'  'circus':6 'computer':1 'from':4 'game':2 'the':5 'theme':3
                                   'search_artist'  'magic':2 'orchestra':3 'yellow':1
                                  'search_release'  'magic':2 'orchestra':3 'yellow':1
                                     'search_rest'  '00asia':1 '1979':3,4 'asia':11 'cifs94bd':7,9 'japan':12,14,16 'jrock':17 'loc':10,13,15 'remastered':6,8 'unsorted':2 'usa':5
                                    'search_combo'  '00asia':13 '1979':15,16 'asia':23 'cifs94bd':19,21 'circus':6A 'computer':1A 'from':4A 'game':2A 'japan':24,26,28 'jrock':29 'loc':22,25,27 'magic':8B,11C 'orchestra':9B,12C 'remastered':18,20 'the':5A 'theme':3A 'unsorted':14 'usa':17 'yellow':7B,10C
                                    'tag_tracknum'  1
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'techno', 'electronic', 'japanese', 'synthpop']
                                        'tag_date'  1979
                                     'discogstags'  ['electronic', 'electro', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1621489919.8064213  (2021-05-20 07:51:59)
                             'size'  2566029