======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '218'
                                          'artist'  'Ólafur Arnalds'
                                     'text_people'  ''
                                         'release'  'Eulogy for Evolution'
                                           'title'  '3326'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['instrumental', 'icelandic', 'post rock', 'classical', 'ambient']"
                                     'discogstags'  "['neo-classical', 'post rock', 'rock', 'classical']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '8'
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'electronic'
                                             'bpm'  '143.314'
                                             'key'  '7A'
                                        'acoustid'  '7d1fa9ed-5bc7-4b05-a648-d364c74fd08a'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Eulogy for Evolution'
'TBPM' (BPM (beats per minute))                     '143.314'
'TCON' (Content type, a.k.a. Genre)                 'electronic'
'TDOR' (Original release time)                      '2007'
'TDRC' (Recording time)                             '2007-10-29'
'TIT2' (Title/songname/content description)         '3326'
'TKEY' (Initial key)                                '7A'
'TLEN' (Length)                                     '218548'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Ólafur Arnalds'
'TPE2' (Band/orchestra/accompaniment)               'Ólafur Arnalds'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Erased Tapes Records'
'TRCK' (Track number/Position in set)               '7/8'
'TSO2'                                              'Arnalds, Ólafur'
'TSOP' (Performer sort order)                       'Arnalds, Ólafur'
'TXXX:ASIN'                                         'B000Y9MCSU'
'TXXX:Acoustid Id'                                  '7d1fa9ed-5bc7-4b05-a648-d364c74fd08a'
'TXXX:CATALOGNUMBER'                                'ERATP004'
'TXXX:MusicBrainz Album Artist Id'                  '6655955b-1c1e-4bcb-84e4-81bcd9efab30'
'TXXX:MusicBrainz Album Id'                         '7ed90c22-74e5-3a9b-a047-5f9bcbcb01bd'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '6655955b-1c1e-4bcb-84e4-81bcd9efab30'
'TXXX:MusicBrainz Release Group Id'                 'a817f678-7588-3e3e-8664-13c2e6cdab2c'
'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'                                  ['neo-classical', 'post rock', 'rock', 'classical']
'TXXX:lastfmtags'                                   ['instrumental', 'icelandic', 'post rock', 'classical', 'ambient']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.68 dB'
'TXXX:replaygain_track_peak'                        '0.382832'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'80f0c7b4-2dc4-49b9-a718-1f3543e369c0')

========================== row from database ==========================
                                              'id'  1380018
                                            'path'  /data/Music/Bulk/00poprockelectronic/00calmer/Ólafur Arnalds - Olafur Arnalds/Eulogy For Evolution/Olafur Arnalds - 07 - 3326.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  218
                                           'genre'  electronic
                                        'filesize'  3547148
                                           'mtime'  1636913616
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00calmer Olafur For Olafur 07 electronic
                                      'tag_artist'  Ólafur Arnalds
                                     'tag_release'  Eulogy for Evolution
                                       'tag_title'  3326
                                             'bpm'  143.314
                                    'search_title'  '3326':1
                                   'search_artist'  'arnalds':3 'olafur':1,2
                                  'search_release'  'eulogy':1 'evolution':3 'for':2
                                     'search_rest'  '00calmer':2 '00poprockelectronic':1 'electronic':5 'for':4 'olafur':3
                                    'search_combo'  '00calmer':9 '00poprockelectronic':8 '3326':1A 'arnalds':4B 'electronic':12 'eulogy':5C 'evolution':7C 'for':6C,11 'olafur':2B,3B,10
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-3', 'q-chart-4', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['instrumental', 'icelandic', 'post rock', 'classical', 'ambient']
                                        'tag_date'  2007
                                     'discogstags'  ['neo-classical', 'post rock', 'rock', 'classical']

============================== file details ==============================
                                           'mtime'  1636913616.180808  (2021-11-14 19:13:36)
                             'size'  3547148