======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '181'
                                          'artist'  'The Jackson 5'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'I Want You Back'
                                           'quals'  ("['Q-HAP-4', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-UNU-1', "
 "'Q-OLDST-2', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['motown', 'funk', 'soul', 'pop', '70s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '10'
                                            'date'  '1989'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '97'
                                             'key'  '4B'
                                        'acoustid'  '9abae13b-0a70-433e-9895-855e8f9a2a7c'
rest: ''

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

'APIC:2001x2001'                                    type PictureType.COVER_FRONT (Cover (front)) b'2001x2001'
                                     
'TBPM' (BPM (beats per minute))                     '97'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDOR' (Original release time)                      '1989'
'TDRC' (Recording time)                             '1989'
'TIT2' (Title/songname/content description)         'I Want You Back'
'TKEY' (Initial key)                                '4B'
'TLEN' (Length)                                     '181864'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Jackson 5'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Rhino'
'TRCK' (Track number/Position in set)               '6/10'
'TSO2'                                              'Various Artists'
'TSOP' (Performer sort order)                       'Jackson 5, The'
'TSRC' (ISRC (international standard recording code))  'USMO10400510/USMO16900464/USMO19400306'
'TXXX:ASIN'                                         'B0000032JE'
'TXXX:Acoustid Id'                                  '9abae13b-0a70-433e-9895-855e8f9a2a7c'
'TXXX:Artists'                                      'The Jackson 5'
'TXXX:BARCODE'                                      '081227063122'
'TXXX:CATALOGNUMBER'                                'R2 70631'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['motown', 'funk', 'soul', 'pop', '70s']
'TXXX:originalyear'                                 '1989'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.66 dB'
'TXXX:replaygain_track_peak'                        '0.696250'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'fb99385c-4dfa-4b47-a039-3e34aa19a202')

========================== row from database ==========================
                                              'id'  1525874
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/ Jackson 5 - I Want You Back.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  181
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  3001966
                                           'mtime'  1620537394
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Disco 70_s 80_s electronic we disco or italo
                                      'tag_artist'  The Jackson 5
                                     'tag_release'  None
                                       'tag_title'  I Want You Back
                                             'bpm'  97.0
                                    'search_title'  'back':4 'i':1 'want':2 'you':3
                                   'search_artist'  '5':3 'jackson':2 'the':1
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '70':3 '80':5 'disco':2 'electronic':7 'italo':10 'or':9 's':4,6 'we':8
                                    'search_combo'  '00poprockelectronic':8 '5':7B '70':10 '80':12 'back':4A 'disco':9 'electronic':14 'i':1A 'italo':17 'jackson':6B 'or':16 's':11,13 'the':5B 'want':2A 'we':15 'you':3A
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['motown', 'funk', 'soul', 'pop', '70s']
                                        'tag_date'  1989
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620537394.1455958  (2021-05-09 07:16:34)
                             'size'  3001966