======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '290'
                                          'artist'  'Teddybears STHLM'
                                     'text_people'  ''
                                         'release'  "Rock 'n' Roll Highschool"
                                           'title'  'Punkrocker'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['swedish', 'dance', 'hip hop', 'rock', 'alternative', 'electronic']"
                                     'discogstags'  "['alternative rock', 'hip hop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '13'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '142'
                                             'key'  '6B'
                                        'acoustid'  '98fb436c-ffcc-4440-9664-49e8f47938c9'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:\t)\x00\x00'                     PRIV(owner='AverageLevel', data=b'\t)\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     "Rock 'n' Roll Highschool"
'TBPM' (BPM (beats per minute))                     '142'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDOR' (Original release time)                      '2000'
'TIT2' (Title/songname/content description)         'Punkrocker'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Teddybears STHLM'
'TPE2' (Band/orchestra/accompaniment)               'Teddybears STHLM'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Epic'
'TRCK' (Track number/Position in set)               '5/13'
'TSO2'                                              'Teddybears'
'TSOP' (Performer sort order)                       'Teddybears'
'TSRC' (ISRC (international standard recording code))  'SELBD0001040'
'TXXX:ASIN'                                         'B00005N9RX'
'TXXX:Acoustid Id'                                  '98fb436c-ffcc-4440-9664-49e8f47938c9'
'TXXX:Artists'                                      'Teddybears STHLM'
'TXXX:BARCODE'                                      '5099750237625'
'TXXX:CATALOGNUMBER'                                'EPC 502376 2'
'TXXX:MusicBrainz Album Artist Id'                  '677c6265-b0f7-4d5b-982e-ffe8b01e131f'
'TXXX:MusicBrainz Album Id'                         'f0f55992-1d14-39ab-8f64-574635458138'
'TXXX:MusicBrainz Album Release Country'            'SE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '677c6265-b0f7-4d5b-982e-ffe8b01e131f'
'TXXX:MusicBrainz Release Group Id'                 'ed143fa9-316d-3016-b967-b2e8018d083b'
'TXXX:MusicBrainz Release Track Id'                 '864c16ee-7a32-3d44-a7a7-2bc67e1396c8'
'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:discogstags'                                  ['alternative rock', 'hip hop', 'rock']
'TXXX:lastfmtags'                                   ['swedish', 'dance', 'hip hop', 'rock', 'alternative', 'electronic']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-1.50 dB'
'TXXX:replaygain_track_peak'                        '0.403427'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3248fc94-f2da-4622-8818-c3ce7bed7a1b')

========================== row from database ==========================
                                              'id'  1367163
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Teddybears STHLM - Teddybears/Rock n roll highschoool/Punkrocker.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  290
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  4713116
                                           'mtime'  1621695912
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock roll highschoool ifs songwriter indie
                                      'tag_artist'  Teddybears STHLM
                                     'tag_release'  Rock 'n' Roll Highschool
                                       'tag_title'  Punkrocker
                                             'bpm'  142.0
                                    'search_title'  'punkrocker':1
                                   'search_artist'  'sthlm':2 'teddybears':1
                                  'search_release'  'highschool':5 'n':2,3 'rock':1 'roll':4
                                     'search_rest'  '00poprockelectronic':1 'highschoool':5 'ifs':6 'indie':8 'indierock':3 'poprock':2 'roll':4 'songwriter':7
                                    'search_combo'  '00poprockelectronic':9 'highschool':8C 'highschoool':13 'ifs':14 'indie':16 'indierock':11 'n':5C,6C 'poprock':10 'punkrocker':1A 'rock':4C 'roll':7C,12 'songwriter':15 'sthlm':3B 'teddybears':2B
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['swedish', 'dance', 'hip hop', 'rock', 'alternative', 'electronic']
                                        'tag_date'  2000
                                     'discogstags'  ['alternative rock', 'hip hop', 'rock']

============================== file details ==============================
                                           'mtime'  1621695911.8029528  (2021-05-22 17:05:11)
                             'size'  4713116