======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '172'
                                          'artist'  'Spice Girls'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Wannabe'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', '90s', 'female vocalists', 'british', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '22'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '110'
                                             'key'  '1B'
                                        'acoustid'  '9043b5be-7f72-4913-ab5d-c07aa3d0c47a'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TBPM' (BPM (beats per minute))                     '110'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996-08-12'
'TIT2' (Title/songname/content description)         'Wannabe'
'TKEY' (Initial key)                                '1B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Spice Girls'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'NOW'
'TRCK' (Track number/Position in set)               '1/22'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Spice Girls'
'TSRC' (ISRC (international standard recording code))  'GBAAA9600008'
'TXXX:ASIN'                                         'B000005RRO'
'TXXX:Acoustid Id'                                  '9043b5be-7f72-4913-ab5d-c07aa3d0c47a'
'TXXX:Artists'                                      'Spice Girls'
'TXXX:BARCODE'                                      '0724385308727'
'TXXX:CATALOGNUMBER'                                '7243 8 53087 2 7/CD NOW 34'
'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:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['dance', '90s', 'female vocalists', 'british', 'pop']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '-1.31 dB'
'TXXX:replaygain_track_peak'                        '0.457420'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'640be329-70ad-4353-9026-80d74e5e1966')

========================== row from database ==========================
                                              'id'  1406881
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/Spice Girls - Wannabe.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  172
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  7029262
                                           'mtime'  1621695880
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat electronic generic or radio dance
                                      'tag_artist'  Spice Girls
                                     'tag_release'  None
                                       'tag_title'  Wannabe
                                             'bpm'  110.0
                                    'search_title'  'wannabe':1
                                   'search_artist'  'girls':2 'spice':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'dance':3 'electronic':5 'generic':2 'or':6 'radio':7 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':4 'dance':6 'electronic':8 'generic':5 'girls':3B 'or':9 'radio':10 'spice':2B 'trapbeat':7 'wannabe':1A
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-3', 'q-other-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['dance', '90s', 'female vocalists', 'british', 'pop']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695879.6782138  (2021-05-22 17:04:39)
                             'size'  7029262