======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '174'
                                          'artist'  'Metric'
                                     'text_people'  ''
                                         'release'  'Synthetica'
                                           'title'  'Reflection #4'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['indie', 'rock', 'female vocalists', 'indie rock', 'canadian']"
                                     'discogstags'  "['electronic', 'rock', 'pop', 'alternative rock', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '13'
                                      'tracktotal'  '16'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '97.8'
                                             'key'  '10A'
                                        'acoustid'  '1bdc7a5a-54b4-4da3-9451-e5e118aff7c8'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Synthetica'
'TBPM' (BPM (beats per minute))                     '97.8'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDOR' (Original release time)                      '2012'
'TDRC' (Recording time)                             '2012-06-12'
'TENC' (Encoded by)                                 'Metric Music International'
'TIT2' (Title/songname/content description)         'Reflection #4'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Metric'
'TPE2' (Band/orchestra/accompaniment)               'Metric'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Mom + Pop Music'
'TRCK' (Track number/Position in set)               '13/16'
'TSO2'                                              'Metric'
'TSOP' (Performer sort order)                       'Metric'
'TXXX:ASIN'                                         'B0082AO98O'
'TXXX:Acoustid Id'                                  '1bdc7a5a-54b4-4da3-9451-e5e118aff7c8'
'TXXX:Artists'                                      'Metric'
'TXXX:MusicBrainz Album Artist Id'                  '4449ccf6-c948-4d33-aa97-b6ad98ce4b5b'
'TXXX:MusicBrainz Album Id'                         '6556d91c-a327-4fd0-beae-ac4bbb3e6b75'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '4449ccf6-c948-4d33-aa97-b6ad98ce4b5b'
'TXXX:MusicBrainz Release Group Id'                 'f61e4bc1-651a-4e35-ab10-0cccf862a7ee'
'TXXX:MusicBrainz Release Track Id'                 'e309c64e-5ef0-47f1-8e19-591c07862698'
'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'                                  ['electronic', 'rock', 'pop', 'alternative rock', 'synth-pop']
'TXXX:lastfmtags'                                   ['indie', 'rock', 'female vocalists', 'indie rock', 'canadian']
'TXXX:originalyear'                                 '2012'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.89 dB'
'TXXX:replaygain_track_peak'                        '0.544601'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'729736d5-40ee-42c6-b064-f56f9186eb96')

========================== row from database ==========================
                                              'id'  1363133
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Metric - Synthetica/13 - Reflection #4.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  174
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  7019168
                                           'mtime'  1637019756
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 13 ifs songwriter indie rock
                                      'tag_artist'  Metric
                                     'tag_release'  Synthetica
                                       'tag_title'  Reflection #4
                                             'bpm'  97.8
                                    'search_title'  '4':2,3 'reflection':1
                                   'search_artist'  'metric':1
                                  'search_release'  'synthetica':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':4 'indie':6 'indierock':3 'poprock':2 'rock':7 'songwriter':5
                                    'search_combo'  '00poprockelectronic':6 '4':2A,3A 'ifs':9 'indie':11 'indierock':8 'metric':4B 'poprock':7 'reflection':1A 'rock':12 'songwriter':10 'synthetica':5C
                                    'tag_tracknum'  13
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', '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-1', 'q-syn-2', 'q-chart-4', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'rock', 'female vocalists', 'indie rock', 'canadian']
                                        'tag_date'  2012
                                     'discogstags'  ['electronic', 'rock', 'pop', 'alternative rock', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1637019755.787278  (2021-11-16 00:42:35)
                             'size'  7019168