======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '400'
                                          'artist'  'Todd Terje'
                                     'text_people'  ''
                                         'release'  'Its The Arps'
                                           'title'  'Inspector Norse'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-UNU-1', "
 "'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-3']")
                                      'lastfmtags'  "['fip', 'electro', 'disco', 'nu disco', 'space disco', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  ''
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '120'
                                             'key'  '7A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'TALB' (Album/Movie/Show title)                     'Its The Arps'
'TBPM' (BPM (beats per minute))                     '120'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDRC' (Recording time)                             '2012-01-10'
'TIT2' (Title/songname/content description)         'Inspector Norse'
'TKEY' (Initial key)                                '7A'
'TPE1' (Lead performer(s)/Soloist(s))               'Todd Terje'
'TPUB' (Publisher)                                  'Smalltown Supersound Norway'
'TRCK' (Track number/Position in set)               '1'
'TSRC' (ISRC (international standard recording code))  'NOSTS1219010'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['fip', 'electro', 'disco', 'nu disco', 'space disco', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.45 dB'
'TXXX:replaygain_track_peak'                        '0.537872'
'UFID:artwork guid'                                 UFID(owner='artwork guid', data=b'73808057-C33D-5ECB-A4F8-C0BFF07FFDFF')
'UFID:catalogue number'                             UFID(owner='catalogue number', data=b'STS 21912')
'WPUB' (Publishers official webpage)                WPUB(url='Smalltown Supersound Norway')

========================== row from database ==========================
                                              'id'  1333473
                                            'path'  /data/Music/Bulk/00poprockelectronic/set/Todd Terje - Inspector Norse.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  400
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  16088595
                                           'mtime'  1620573859
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic set electronic generic radio dance
                                      'tag_artist'  Todd Terje
                                     'tag_release'  Its The Arps
                                       'tag_title'  Inspector Norse
                                             'bpm'  120.0
                                    'search_title'  'inspector':1 'norse':2
                                   'search_artist'  'terje':2 'todd':1
                                  'search_release'  'arps':3 'its':1 'the':2
                                     'search_rest'  '00poprockelectronic':1 'dance':6 'electronic':3 'generic':4 'radio':5 'set':2
                                    'search_combo'  '00poprockelectronic':8 'arps':7C 'dance':13 'electronic':10 'generic':11 'inspector':1A 'its':5C 'norse':2A 'radio':12 'set':9 'terje':4B 'the':6C 'todd':3B
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-4', 'q-syn-3', 'q-chart-3', 'q-other-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['fip', 'electro', 'disco', 'nu disco', 'space disco', 'electronic']
                                        'tag_date'  2012
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620573858.6721492  (2021-05-09 17:24:18)
                             'size'  16088595