======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '323'
                                          'artist'  'Outkast'
                                     'text_people'  ''
                                         'release'  'Speakerboxxx - The Love Below'
                                           'title'  "Happy Valentine's Day"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-3', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'pop', 'hip hop', 'funk']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '04'
                                      'tracktotal'  '20'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'hip hop or rnb or rap or turntablism'
                                             'bpm'  '100.058'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Speakerboxxx - The Love Below'
'TBPM' (BPM (beats per minute))                     '100.058'
'TCON' (Content type, a.k.a. Genre)                 'hip hop or rnb or rap or turntablism'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-09-29'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['producer', 'L.A. Reid'], ['producer', 'OutKast']])
'TIT1' (Content group description)                  ' '
'TIT2' (Title/songname/content description)         "Happy Valentine's Day"
'TKEY' (Initial key)                                '9A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Outkast'
'TPE2' (Band/orchestra/accompaniment)               'Outkast'
'TPOS' (Part of a set)                              '2/2'
'TPUB' (Publisher)                                  'Arista'
'TRCK' (Track number/Position in set)               '04/20'
'TSO2'                                              'OutKast'
'TSOP' (Performer sort order)                       'OutKast'
'TSRC' (ISRC (international standard recording code))  'USAR10301007'
'TSST' (Set subtitle)                               'The Love Below'
'TXXX:ASIN'                                         'B0000AI44K'
'TXXX:Artists'                                      'OutKast'
'TXXX:BARCODE'                                      '828765290524'
'TXXX:CATALOGNUMBER'                                '82876 52905 2'
'TXXX:KEYWORDS'                                     ' '
'TXXX:MusicBrainz Album Artist Id'                  '73fdb566-a9b1-494c-9f32-51768ec9fd27'
'TXXX:MusicBrainz Album Id'                         'd2797529-2448-413d-80c2-1fdba20afb5b'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '73fdb566-a9b1-494c-9f32-51768ec9fd27'
'TXXX:MusicBrainz Release Group Id'                 'fa64febd-61e0-346e-aaa2-04564ed4f0a3'
'TXXX:MusicBrainz Release Track Id'                 '23280d9b-aca0-3ddf-b066-92dbe69d417e'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '3'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:TAGGED'                                       'no'
'TXXX:lastfmtags'                                   ['dance', 'pop', 'hip hop', 'funk']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.24 dB'
'TXXX:replaygain_track_peak'                        '0.453199'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'd2177e20-ddcc-41a2-b994-555e6d3c1812')

========================== row from database ==========================
                                              'id'  1512900
                                            'path'  /data/Music/Bulk/00popandrock-hiphop-rap-rnb-turntablism/The_Love_Below/04 - Outkast - Happy Valentine_s Day.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  323
                                           'genre'  hip hop or rnb or rap or turntablism
                                        'filesize'  12976657
                                           'mtime'  1620592559
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock hiphop rap rnb turntablism The_Love_Below 04 Valentine_s hip hop or rnb or rap or turntablism
                                      'tag_artist'  Outkast
                                     'tag_release'  Speakerboxxx - The Love Below
                                       'tag_title'  Happy Valentine's Day
                                             'bpm'  100.058
                                    'search_title'  'day':5 'happy':1 's':3 'valentine':2 'valentines':4
                                   'search_artist'  'outkast':1
                                  'search_release'  'below':4 'love':3 'speakerboxxx':1 'the':2
                                     'search_rest'  'below':7 'hip':10 'hiphop':1 'hop':11 'love':6 'or':12 'rap':2 'rnb':3 's':9 'the':5 'turntablism':4 'valentine':8
                                    'search_combo'  'below':10C,17 'day':5A 'happy':1A 'hip':20 'hiphop':11 'hop':21 'love':9C,16 'or':22 'outkast':6B 'rap':12 'rnb':13 's':3A,19 'speakerboxxx':7C 'the':8C,15 'turntablism':14 'valentine':2A,18 'valentines':4A
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-3', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-1', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'pop', 'hip hop', 'funk']
                                        'tag_date'  2003
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620592558.5830777  (2021-05-09 22:35:58)
                             'size'  12976657