======================== unified (from filesystem) ========================
                                         'bitrate'  '176.683'
                                        'duration'  '190'
                                          'artist'  'Sparks'
                                     'text_people'  ''
                                         'release'  'Sparks'
                                           'title'  'Biology 2'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['new wave', 'synth pop', 'rock', 'pop', 'glam rock']"
                                     'discogstags'  "['electronic', 'rock', 'pop', 'pop rock', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '11'
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '111.9'
                                             'key'  '3A'
                                        'acoustid'  '3ac9775b-cdfe-487c-b488-bdc03ce01a0a'
rest: ''

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

'APIC:1414 x 1398'                                  type PictureType.COVER_FRONT (Cover (front)) b'1414 x 1398'
                                     
'TALB' (Album/Movie/Show title)                     'Sparks'
'TBPM' (BPM (beats per minute))                     '111.9'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDOR' (Original release time)                      '1971'
'TDRC' (Recording time)                             '2006'
'TIT2' (Title/songname/content description)         'Biology 2'
'TKEY' (Initial key)                                '3A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Sparks'
'TPE2' (Band/orchestra/accompaniment)               'Sparks'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Wounded Bird Records'
'TRCK' (Track number/Position in set)               '8/11'
'TSO2'                                              'Sparks'
'TSOP' (Performer sort order)                       'Sparks'
'TXXX:ASIN'                                         'B000CC3S4G'
'TXXX:Acoustid Id'                                  '3ac9775b-cdfe-487c-b488-bdc03ce01a0a'
'TXXX:Artists'                                      'Sparks'
'TXXX:BARCODE'                                      '664140204829'
'TXXX:CATALOGNUMBER'                                'WOU 2048'
'TXXX:MusicBrainz Album Artist Id'                  'f319b57a-a494-40f6-a467-3d196d3484e6'
'TXXX:MusicBrainz Album Id'                         '396475fe-7fbb-332d-afc6-2c650676954a'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'f319b57a-a494-40f6-a467-3d196d3484e6'
'TXXX:MusicBrainz Release Group Id'                 '14ac17d2-5a87-3cd1-8533-414dc57544af'
'TXXX:MusicBrainz Release Track Id'                 '25974eff-a682-3aa9-b47e-41213cc73cd4'
'TXXX:Q-HAP'                                        '2'
'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'                                  ['electronic', 'rock', 'pop', 'pop rock', 'synth-pop']
'TXXX:lastfmtags'                                   ['new wave', 'synth pop', 'rock', 'pop', 'glam rock']
'TXXX:originalyear'                                 '1971'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.07 dB'
'TXXX:replaygain_track_peak'                        '0.586462'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'5ce0694e-998e-42f9-8a2c-9de365f8e822')

========================== row from database ==========================
                                              'id'  1409678
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/Sparks/1972 - Sparks/08 - Biology 2.mp3
                                         'working'  None
                                         'bitrate'  176
                                    'duration_sec'  190
                                           'genre'  rock-cppex
                                        'filesize'  4286621
                                           'mtime'  1636921786
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy 1972 08 rock cppex
                                      'tag_artist'  Sparks
                                     'tag_release'  Sparks
                                       'tag_title'  Biology 2
                                             'bpm'  111.9
                                    'search_title'  '2':2 'biology':1
                                   'search_artist'  'sparks':1
                                  'search_release'  'sparks':1
                                     'search_rest'  '1972':2 'classicprogpsy':1 'cppex':4 'rock':3
                                    'search_combo'  '1972':6 '2':2A 'biology':1A 'classicprogpsy':5 'cppex':8 'rock':7 'sparks':3B,4C
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['new wave', 'synth pop', 'rock', 'pop', 'glam rock']
                                        'tag_date'  2006
                                     'discogstags'  ['electronic', 'rock', 'pop', 'pop rock', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1636921786.4630473  (2021-11-14 21:29:46)
                             'size'  4286621