======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '209'
                                          'artist'  '2NE1'
                                     'text_people'  ''
                                         'release'  '2nd Mini Album'
                                           'title'  'Lonely'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-2', "
 "'Q-HHRNBTT-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['yg family', 'dance', 'pop', 'k pop', 'korean']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '03'
                                      'tracktotal'  '06'
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'loc-asia-japan;hip hop or rnb or rap or turntablism'
                                             'bpm'  '95.709'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '2nd Mini Album'
'TBPM' (BPM (beats per minute))                     '95.709'
'TCON' (Content type, a.k.a. Genre)                 ['loc-asia-japan', 'hip hop or rnb or rap or turntablism', 'loc-asia-japan']
'TDRC' (Recording time)                             '2011'
'TIT2' (Title/songname/content description)         'Lonely'
'TKEY' (Initial key)                                '1A'
'TLAN' (Language(s))                                'Korean'
'TPE1' (Lead performer(s)/Soloist(s))               '2NE1'
'TPE2' (Band/orchestra/accompaniment)               '2NE1'
'TPOS' (Part of a set)                              '01/01'
'TRCK' (Track number/Position in set)               '03/06'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '2'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['yg family', 'dance', 'pop', 'k pop', 'korean']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-0.48 dB'
'TXXX:replaygain_track_peak'                        '0.346140'

========================== row from database ==========================
                                              'id'  1384394
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/2NE1/2nd Mini Album/01-03 - Lonely.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  209
                                           'genre'  loc-asia-japan;hip hop or rnb or rap or turntablism
                                        'filesize'  8441907
                                           'mtime'  1620586632
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism 01 03 loc asia japan;hip hop or rnb or rap or turntablism
                                      'tag_artist'  2NE1
                                     'tag_release'  2nd Mini Album
                                       'tag_title'  Lonely
                                             'bpm'  95.709
                                    'search_title'  'lonely':1
                                   'search_artist'  '2ne1':1
                                  'search_release'  '2nd':1 'album':3 'mini':2
                                     'search_rest'  'asia':6 'hip':8,10 'hiphop':1 'hop':11 'japan':7,9 'loc':5 'or':12 'rap':2 'rnb':3 'turntablism':4
                                    'search_combo'  '2nd':3C '2ne1':2B 'album':5C 'asia':11 'hip':13,15 'hiphop':6 'hop':16 'japan':12,14 'loc':10 'lonely':1A 'mini':4C 'or':17 'rap':7 'rnb':8 'turntablism':9
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-2', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['yg family', 'dance', 'pop', 'k pop', 'korean']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620586631.725989  (2021-05-09 20:57:11)
                             'size'  8441907