======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '149'
                                          'artist'  'Hot Butter'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Popcorn'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['instrumental', '70s', 'electronic', 'pop', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '20'
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '135'
                                             'key'  '10B'
                                        'acoustid'  'bc90f10c-29ef-4ed6-b2a3-4343b7df0e92'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TBPM' (BPM (beats per minute))                     '135'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['set-pl-shirleyspinoza', 'set-pl-mor']
'TDOR' (Original release time)                      '1995'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Popcorn'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Hot Butter'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Time-Life Music'
'TRCK' (Track number/Position in set)               '5/20'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Hot Butter'
'TSRC' (ISRC (international standard recording code))  'GBCUB7200001/USACU0502318'
'TSSE' (Software/Hardware and settings used for encoding)  'Audiograbber 1.83.01, LAME dll 3.96, 192 Kbit/s, Joint Stereo, High quality'
'TXXX:Acoustid Id'                                  'bc90f10c-29ef-4ed6-b2a3-4343b7df0e92'
'TXXX:Artists'                                      'Hot Butter'
'TXXX:CATALOGNUMBER'                                'R840-04'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['instrumental', '70s', 'electronic', 'pop', 'synthpop']
'TXXX:originalyear'                                 '1995'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'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'                        '+2.25 dB'
'TXXX:replaygain_track_peak'                        '0.373182'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'550a5e60-445c-446e-a3d0-390c1ca5dfc7')

========================== row from database ==========================
                                              'id'  1286967
                                            'path'  /data/Music/Bulk/00poprockelectronic/Clean/Hot Buttered Popcorn.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  149
                                           'genre'  set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  3626889
                                           'mtime'  1652397891
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Clean Buttered set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Hot Butter
                                     'tag_release'  None
                                       'tag_title'  Popcorn
                                             'bpm'  135.0
                                    'search_title'  'popcorn':1
                                   'search_artist'  'butter':2 'hot':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 'buttered':3 'clean':2 'mor':10 'pl':5 'set':4,7,9 'shirleyspinoza':6,8
                                    'search_combo'  '00poprockelectronic':4 'butter':3B 'buttered':6 'clean':5 'hot':2B 'mor':13 'pl':8 'popcorn':1A 'set':7,10,12 'shirleyspinoza':9,11
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  10B
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-2']
                                      'lastfmtags'  ['instrumental', '70s', 'electronic', 'pop', 'synthpop']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1652397891.2949822  (2022-05-13 01:24:51)
                             'size'  3626889