======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '320'
                                          'artist'  'Burial'
                                     'text_people'  ''
                                         'release'  'Untrue'
                                           'title'  'Homeless'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dreamy', 'electronic', 'dubstep', 'atmospheric', 'ambient']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '135.3'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Untrue'
'TBPM' (BPM (beats per minute))                     '135.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Homeless'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Burial'
'TPE2' (Band/orchestra/accompaniment)               'Burial'
'TPOS' (Part of a set)                              '1'
'TPUB' (Publisher)                                  'Hyperdub'
'TRCK' (Track number/Position in set)               '11'
'TSRC' (ISRC (international standard recording code))  'HDBCD002'
'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'                                   ['dreamy', 'electronic', 'dubstep', 'atmospheric', 'ambient']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.03 dB'
'TXXX:replaygain_track_peak'                        '0.510201'

========================== row from database ==========================
                                              'id'  1378573
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/burial - untrue/11 - homeless.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  320
                                           'genre'  electronic
                                        'filesize'  12927321
                                           'mtime'  1636913562
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer burial untrue 11 homeless electronic
                                      'tag_artist'  Burial
                                     'tag_release'  Untrue
                                       'tag_title'  Homeless
                                             'bpm'  135.3
                                    'search_title'  'homeless':1
                                   'search_artist'  'burial':1
                                  'search_release'  'untrue':1
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'burial':3 'electronic':6 'homeless':5 'untrue':4
                                    'search_combo'  '00calmer':5 '00poprockelectronic':4 'burial':2B,6 'electronic':9 'homeless':1A,8 'untrue':3C,7
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  9A
                                           '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-2', 'q-drums-4', 'q-syn-3', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dreamy', 'electronic', 'dubstep', 'atmospheric', 'ambient']
                                        'tag_date'  2007
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636913561.7522955  (2021-11-14 19:12:41)
                             'size'  12927321