======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '677'
                                          'artist'  'Sunpocrisy'
                                     'text_people'  ''
                                         'release'  'Eyegasm, Hallelujah!'
                                           'title'  'Eternitarian'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['progressive death metal', 'italian', 'post metal', 'experimental', "
 "'progressive metal']")
                                     'discogstags'  "['death metal', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'eid-metal-post'
                                             'bpm'  '98.8'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'APIC:cover'                                        type PictureType.COVER_FRONT (Cover (front)) b'cover'
                                     
'TALB' (Album/Movie/Show title)                     'Eyegasm, Hallelujah!'
'TBPM' (BPM (beats per minute))                     '98.8'
'TCON' (Content type, a.k.a. Genre)                 'eid-metal-post'
'TDRC' (Recording time)                             '2015'
'TIT2' (Title/songname/content description)         'Eternitarian'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Sunpocrisy'
'TPE2' (Band/orchestra/accompaniment)               'Sunpocrisy'
'TRCK' (Track number/Position in set)               '4'
'TSRC' (ISRC (international standard recording code))  'TCACI1578158'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['death metal', 'rock']
'TXXX:lastfmtags'                                   ['progressive death metal',
 'italian',
 'post metal',
 'experimental',
 'progressive metal']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.31 dB'
'TXXX:replaygain_track_peak'                        '0.417998'

========================== row from database ==========================
                                              'id'  1391894
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Sunpocrisy - Eyegasm- Hallelujah!/04 Eternitarian.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  677
                                           'genre'  eid-metal-post
                                        'filesize'  27248022
                                           'mtime'  1620310538
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal 04 eid metal post
                                      'tag_artist'  Sunpocrisy
                                     'tag_release'  Eyegasm, Hallelujah!
                                       'tag_title'  Eternitarian
                                             'bpm'  98.8
                                    'search_title'  'eternitarian':1
                                   'search_artist'  'sunpocrisy':1
                                  'search_release'  'eyegasm':1,2 'hallelujah':3
                                     'search_rest'  '00dwimp':1 '00metal':2 'eid':3 'metal':4 'post':5
                                    'search_combo'  '00dwimp':6 '00metal':7 'eid':8 'eternitarian':1A 'eyegasm':3C,4C 'hallelujah':5C 'metal':9 'post':10 'sunpocrisy':2B
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-3']
                                      'lastfmtags'  ['progressive death metal', 'italian', 'post metal', 'experimental', 'progressive metal']
                                        'tag_date'  2015
                                     'discogstags'  ['death metal', 'rock']

============================== file details ==============================
                                           'mtime'  1620310537.9145565  (2021-05-06 16:15:37)
                             'size'  27248022