======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '194'
                                          'artist'  'Tipper'
                                     'text_people'  ''
                                         'release'  'Surrounded'
                                           'title'  'California Rolls'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-4']")
                                      'lastfmtags'  "['breakbeat', 'downtempo', 'breaks', 'idm', 'electronic']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-th-breakbeat or dnb or jungle'
                                             'bpm'  '125.160'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Surrounded'
'TBPM' (BPM (beats per minute))                     '125.160'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-breakbeat or dnb or jungle'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'California Rolls'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Tipper'
'TPE2' (Band/orchestra/accompaniment)               'Tipper'
'TPUB' (Publisher)                                  'Immergent'
'TRCK' (Track number/Position in set)               '2'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '093,185'
'TXXX:Q-HAP'                                        '3'
'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'                                   ['breakbeat', 'downtempo', 'breaks', 'idm', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.70 dB'
'TXXX:replaygain_track_peak'                        '0.688870'

========================== row from database ==========================
                                              'id'  843668
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/Tipper/tipper - surrounded__cifs6149.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  194
                                           'genre'  electronic-th-breakbeat or dnb or jungle
                                        'filesize'  4673806
                                           'mtime'  1621696374
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism tipper surrounded__cifs6149 electronic th breakbeat dnb jungle
                                      'tag_artist'  Tipper
                                     'tag_release'  Surrounded
                                       'tag_title'  California Rolls
                                             'bpm'  125.16
                                    'search_title'  'california':1 'rolls':2
                                   'search_artist'  'tipper':1
                                  'search_release'  'surrounded':1
                                     'search_rest'  'breakbeat':10 'cifs6149':7 'dnb':11 'electronic':8 'hiphop':1 'jungle':12 'rap':2 'rnb':3 'surrounded':6 'th':9 'tipper':5 'turntablism':4
                                    'search_combo'  'breakbeat':14 'california':1A 'cifs6149':11 'dnb':15 'electronic':12 'hiphop':5 'jungle':16 'rap':6 'rnb':7 'rolls':2A 'surrounded':4C,10 'th':13 'tipper':3B,9 'turntablism':8
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-4', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['breakbeat', 'downtempo', 'breaks', 'idm', 'electronic']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621696373.5216498  (2021-05-22 17:12:53)
                             'size'  4673806