======================== unified (from filesystem) ========================
                                         'bitrate'  '186.777'
                                        'duration'  '144'
                                          'artist'  'The Spotnicks'
                                     'text_people'  'C. Kaparow'
                                         'release'  'The Spotnicks In Berlin'
                                           'title'  'Karelia'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'surf', 'ed hits', 'guitar', '60s']"
                                     'discogstags'  "['rock', 'surf', 'rock & roll']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '20'
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'rock-pop-surf'
                                             'bpm'  '119.5'
                                             'key'  '11A'
                                        'acoustid'  '218dfb4b-7b37-47a8-bcb0-ccbb319a1a7f'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
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'PRIV:WM/WMCollectionGroupID:µ!\x08a#\x94=C¥O\x90\x04w?ìî'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xb5!\x08a#\x94=C\xa5O\x90\x04w?\xec\xee')
'PRIV:WM/WMCollectionID:µ!\x08a#\x94=C¥O\x90\x04w?ìî'  PRIV(owner='WM/WMCollectionID', data=b'\xb5!\x08a#\x94=C\xa5O\x90\x04w?\xec\xee')
'PRIV:WM/WMContentID:æe\x97\r«¯¯E\x91ãEà\x1bæ´p'    PRIV(owner='WM/WMContentID', data=b'\xe6e\x97\r\xab\xaf\xafE\x91\xe3E\xe0\x1b\xe6\xb4p')
'TALB' (Album/Movie/Show title)                     'The Spotnicks In Berlin'
'TBPM' (BPM (beats per minute))                     '119.5'
'TCOM' (Composer)                                   'C. Kaparow'
'TCON' (Content type, a.k.a. Genre)                 'rock-pop-surf'
'TDOR' (Original release time)                      '1990'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         'Karelia'
'TKEY' (Initial key)                                '11A'
'TLEN' (Length)                                     '0'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Spotnicks'
'TPE2' (Band/orchestra/accompaniment)               'The Spotnicks'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'SweDisc'
'TRCK' (Track number/Position in set)               '13/20'
'TSO2'                                              'Spotnicks, The'
'TSOP' (Performer sort order)                       'Spotnicks, The'
'TXXX:Acoustid Id'                                  '218dfb4b-7b37-47a8-bcb0-ccbb319a1a7f'
'TXXX:Artists'                                      'The Spotnicks'
'TXXX:CATALOGNUMBER'                                'SWECD 417'
'TXXX:MusicBrainz Album Artist Id'                  'd976e2c9-31cc-4d34-82d6-4b3641692026'
'TXXX:MusicBrainz Album Id'                         '90fea5bd-4f3e-40df-a66f-aabd458d0f4b'
'TXXX:MusicBrainz Album Release Country'            'SE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'd976e2c9-31cc-4d34-82d6-4b3641692026'
'TXXX:MusicBrainz Release Group Id'                 'd49614ec-4491-4f2c-b8da-c117ce78330c'
'TXXX:MusicBrainz Release Track Id'                 'a18f065d-3f58-3221-94bb-4f6b621a61d3'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['rock', 'surf', 'rock & roll']
'TXXX:lastfmtags'                                   ['instrumental', 'surf', 'ed hits', 'guitar', '60s']
'TXXX:originalyear'                                 '1990'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.61 dB'
'TXXX:replaygain_track_peak'                        '0.518196'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'51b0a980-87d3-4e51-b764-4b3e211f3dc3')

========================== row from database ==========================
                                              'id'  268139
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/The Spotnicks-1962-1990-23 cd/The Spotnicks-1964-In Berlin/Spotncks - 13 - Karelia.mp3
                                         'working'  None
                                         'bitrate'  186
                                    'duration_sec'  144
                                           'genre'  rock-pop-surf
                                        'filesize'  3455671
                                           'mtime'  1620736578
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1962 1990 23 cd 1964 Spotncks 13 rock pop surf
                                      'tag_artist'  The Spotnicks
                                     'tag_release'  The Spotnicks In Berlin
                                       'tag_title'  Karelia
                                             'bpm'  119.5
                                    'search_title'  'karelia':1
                                   'search_artist'  'spotnicks':2 'the':1
                                  'search_release'  'berlin':4 'in':3 'spotnicks':2 'the':1
                                     'search_rest'  '1962':1 '1964':5 '1990':2 '23':3 'cd':4 'pop':8 'rock':7 'spotncks':6 'surf':9
                                    'search_combo'  '1962':8 '1964':12 '1990':9 '23':10 'berlin':7C 'cd':11 'in':6C 'karelia':1A 'pop':15 'rock':14 'spotncks':13 'spotnicks':3B,5C 'surf':16 'the':2B,4C
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'surf', 'ed hits', 'guitar', '60s']
                                        'tag_date'  1990
                                     'discogstags'  ['rock', 'surf', 'rock & roll']

============================== file details ==============================
                                           'mtime'  1620736578.427847  (2021-05-11 14:36:18)
                             'size'  3455671