======================== unified (from filesystem) ========================
                                         'bitrate'  '110.418'
                                        'duration'  '215'
                                          'artist'  'Brownbird Rudy Relic'
                                     'text_people'  ''
                                         'release'  'Chicano Dynamite'
                                           'title'  'Who Am I Fooling But Myself?'
                                           'quals'  ("['Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', "
 "'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '10'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '136.6'
                                             'key'  '12A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Chicano Dynamite'
'TBPM' (BPM (beats per minute))                     '136.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2012'
'TIT2' (Title/songname/content description)         'Who Am I Fooling But Myself?'
'TKEY' (Initial key)                                '12A'
'TPE1' (Lead performer(s)/Soloist(s))               'Brownbird Rudy Relic'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '4/10'
'TXXX:Encoding Params'                              'vers'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:UFIDhttp://www.cddb.com/id3/taginfo1.html'    '3CD3N32Q316895859U2588E16C6404F6C68448CB8E5AC14F97BF1P5'
'TXXX:iTunes_CDDB_IDs'                              '10++'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.83 dB'
'TXXX:replaygain_track_peak'                        '0.312993'
'TXXX:tempo'                                        '00000 BPM'

========================== row from database ==========================
                                              'id'  1111520
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/brownbird rudy relic/chicano dynamite/04 who am i fooling but myself_.mp3
                                         'working'  None
                                         'bitrate'  110
                                    'duration_sec'  215
                                           'genre'  electronic-unsorted
                                        'filesize'  3306998
                                           'mtime'  1620522178
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm brownbird rudy relic chicano dynamite 04 who fooling but myself_ electronic unsorted
                                      'tag_artist'  Brownbird Rudy Relic
                                     'tag_release'  Chicano Dynamite
                                       'tag_title'  Who Am I Fooling But Myself?
                                             'bpm'  136.6
                                    'search_title'  'am':2 'but':5 'fooling':4 'i':3 'myself':6 'who':1
                                   'search_artist'  'brownbird':1 'relic':3 'rudy':2
                                  'search_release'  'chicano':1 'dynamite':2
                                     'search_rest'  'brownbird':1 'but':8 'chicano':4 'dynamite':5 'electronic':10 'fooling':7 'myself':9 'relic':3 'rudy':2 'unsorted':11 'who':6
                                    'search_combo'  'am':2A 'brownbird':7B,12 'but':5A,19 'chicano':10C,15 'dynamite':11C,16 'electronic':21 'fooling':4A,18 'i':3A 'myself':6A,20 'relic':9B,14 'rudy':8B,13 'unsorted':22 'who':1A,17
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  12A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['fun', 'classic country', 'blues', 'lo fi', 'under 2000 listeners']
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620522177.6672146  (2021-05-09 03:02:57)
                             'size'  3306998