======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '220'
                                          'artist'  'Something Corporate'
                                     'text_people'  ''
                                         'release'  'Leaving Through The Window'
                                           'title'  'Fall'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['piano rock', 'indie', 'alternative', 'piano', 'emo']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-pop-indie-emo'
                                             'bpm'  '106.4'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 000018C2 00001B37 00005D11 00006EFA 000111B5 000111B5 00007E76 00008000 '
 '0000EA8E 0001FBFE')
'TALB' (Album/Movie/Show title)                     'Leaving Through The Window'
'TBPM' (BPM (beats per minute))                     '106.4'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-indie-emo'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Fall'
'TKEY' (Initial key)                                '1B'
'TLEN' (Length)                                     '220577'
'TPE1' (Lead performer(s)/Soloist(s))               'Something Corporate'
'TRCK' (Track number/Position in set)               '08'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['piano rock', 'indie', 'alternative', 'piano', 'emo']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.22 dB'
'TXXX:replaygain_track_peak'                        '0.372211'

========================== row from database ==========================
                                              'id'  1284463
                                            'path'  /data/Music/Bulk/00poprockelectronic/Something Corporate/Leaving Through The Window/08 - Fall (Something Corporate).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  220
                                           'genre'  rock-pop-indie-emo
                                        'filesize'  5295919
                                           'mtime'  1622801893
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 08 (Something Corporate) rock pop indie emo
                                      'tag_artist'  Something Corporate
                                     'tag_release'  Leaving Through The Window
                                       'tag_title'  Fall
                                             'bpm'  106.4
                                    'search_title'  'fall':1
                                   'search_artist'  'corporate':2 'something':1
                                  'search_release'  'leaving':1 'the':3 'through':2 'window':4
                                     'search_rest'  '00poprockelectronic':1 'corporate':4,5 'emo':9 'indie':8 'pop':7 'rock':6 'something':2,3
                                    'search_combo'  '00poprockelectronic':8 'corporate':3B,11,12 'emo':16 'fall':1A 'indie':15 'leaving':4C 'pop':14 'rock':13 'something':2B,9,10 'the':6C 'through':5C 'window':7C
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['piano rock', 'indie', 'alternative', 'piano', 'emo']
                                        'tag_date'  2002
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622801893.231196  (2021-06-04 12:18:13)
                             'size'  5295919