======================== unified (from filesystem) ========================
                                         'bitrate'  '131.348'
                                        'duration'  '10'
                                          'artist'  'Millencolin'
                                     'text_people'  'Fredrik Landh/Martin Landh'
                                         'release'  'Machine 15'
                                           'title'  'Centerpiece'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['skate punk', 'swedish', 'punk rock', 'pop punk', 'punk', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '15'
                                            'date'  '2008'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '117.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Machine 15'
'TBPM' (BPM (beats per minute))                     '117.0'
'TCOM' (Composer)                                   'Fredrik Landh/Martin Landh'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDOR' (Original release time)                      '2008'
'TDRC' (Recording time)                             '2008-04-04'
'TENC' (Encoded by)                                 "LAME Ain't an MP3 Encoder"
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['orchestra', 'Svenska Kammarorkestern'], ['violin', 'Roger Olsson'], ['bass guitar', 'Nikola Sarcevic'], ['vocals', 'Nikola Sarcevic'], ['keyboard', 'Mathias Färm'], ['keyboard', 'Lou Giordano'], ['keyboard', 'Erik Ohlsson'], ['keyboard', 'Nikola Sarcevic'], ['membranophone', 'Fredrik Larzon'], ['guitar', 'Mathias Färm'], ['guitar', 'Erik Ohlsson'], ['viola', 'Hans Elvkull'], ['background vocals', 'Nikola Sarcevic'], ['cello', 'Hanna Thorell'], ['percussion', 'Mathias Färm'], ['percussion', 'Lou Giordano'], ['percussion', 'Fredrik Larzon'], ['percussion', 'Nikola Sarcevic']])
'TIT2' (Title/songname/content description)         'Centerpiece'
'TKEY' (Initial key)                                '1A'
'TLAN' (Language(s))                                'English'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Millencolin'
'TPE2' (Band/orchestra/accompaniment)               'Millencolin'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Burning Heart Records'
'TRCK' (Track number/Position in set)               '7/15'
'TSO2'                                              'Millencolin'
'TSOC'                                              'Landh, Fredrik/Landh, Martin'
'TSOP' (Performer sort order)                       'Millencolin'
'TSRC' (ISRC (international standard recording code))  'SEVHC0800011'
'TXXX:ASIN'                                         'B00139OTOK'
'TXXX:Artists'                                      'Millencolin'
'TXXX:BARCODE'                                      '8714092205725'
'TXXX:CATALOGNUMBER'                                'BURN 2057-2'
'TXXX:MusicBrainz Album Artist Id'                  'a11aacf5-fcbe-47f9-b065-75f4466c00ae'
'TXXX:MusicBrainz Album Id'                         '0dc1e3d6-6a67-4061-aacf-21534468e394'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a11aacf5-fcbe-47f9-b065-75f4466c00ae'
'TXXX:MusicBrainz Release Group Id'                 '5a999aba-3bd6-34a4-bde5-e0e6d25001ea'
'TXXX:MusicBrainz Release Track Id'                 '44aec9b9-c49f-489c-b993-bbaa67cbe567'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['skate punk', 'swedish', 'punk rock', 'pop punk', 'punk', 'rock']
'TXXX:originalyear'                                 '2008'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+4.10 dB'
'TXXX:replaygain_track_peak'                        '0.521098'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'58adca87-5378-48be-a7ea-88f41f8628ac')

========================== row from database ==========================
                                              'id'  1417324
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Millencolin/Machine/07-millencolin-centerpiece.mp3
                                         'working'  None
                                         'bitrate'  132
                                    'duration_sec'  10
                                           'genre'  rock-gr-punk
                                        'filesize'  289278
                                           'mtime'  1622659038
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner 07 millencolin centerpiece rock gr punk
                                      'tag_artist'  Millencolin
                                     'tag_release'  Machine 15
                                       'tag_title'  Centerpiece
                                             'bpm'  117.0
                                    'search_title'  'centerpiece':1
                                   'search_artist'  'millencolin':1
                                  'search_release'  'machine':1
                                     'search_rest'  'centerpiece':6 'garage':2 'gr':8 'millencolin':5 'punk':1 'rock':7 'stoner':4 'surf':3
                                    'search_combo'  'centerpiece':1A,9 'garage':5 'gr':11 'machine':3C 'millencolin':2B,8 'punk':4 'rock':10 'stoner':7 'surf':6
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-3']
                                      'lastfmtags'  ['skate punk', 'swedish', 'punk rock', 'pop punk', 'punk', 'rock']
                                        'tag_date'  2008
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659038.4477475  (2021-06-02 20:37:18)
                             'size'  289278