======================== unified (from filesystem) ========================
                                         'bitrate'  '272.272'
                                        'duration'  '410'
                                          'artist'  'Binh'
                                     'text_people'  ''
                                         'release'  'Eastern Bloc EP'
                                           'title'  'Revdone'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-4', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['minimal techno', 'house', 'techno', 'electronic', 'minimal']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '4'
                                            'date'  '2018'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno'
                                             'bpm'  '129.813'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Eastern Bloc EP'
'TBPM' (BPM (beats per minute))                     '129.813'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno'
'TDRC' (Recording time)                             '2018'
'TIT2' (Title/songname/content description)         'Revdone'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Binh'
'TPE2' (Band/orchestra/accompaniment)               'Binh'
'TRCK' (Track number/Position in set)               '4/4'
'TSRC' (ISRC (international standard recording code))  'DEMM41701534'
'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'
'TXXX:lastfmtags'                                   ['minimal techno', 'house', 'techno', 'electronic', 'minimal']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.05 dB'
'TXXX:replaygain_track_peak'                        '0.646567'

========================== row from database ==========================
                                              'id'  1340929
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/Binh/Binh - Revdone.mp3
                                         'working'  None
                                         'bitrate'  272
                                    'duration_sec'  410
                                           'genre'  electronic-th-techno
                                        'filesize'  14019851
                                           'mtime'  1620563563
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats electronic th techno
                                      'tag_artist'  Binh
                                     'tag_release'  Eastern Bloc EP
                                       'tag_title'  Revdone
                                             'bpm'  129.813
                                    'search_title'  'revdone':1
                                   'search_artist'  'binh':1
                                  'search_release'  'bloc':2 'eastern':1 'ep':3
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 'beats':5 'electronic':6 'harder':4 'house':3 'techno':8 'th':7
                                    'search_combo'  '00poprockelectronic':6 '00techno':7 'beats':10 'binh':2B 'bloc':4C 'eastern':3C 'electronic':11 'ep':5C 'harder':9 'house':8 'revdone':1A 'techno':13 'th':12
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-4', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['minimal techno', 'house', 'techno', 'electronic', 'minimal']
                                        'tag_date'  2018
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1620563562.6324673  (2021-05-09 14:32:42)
                             'size'  14019851