======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '227'
                                          'artist'  'Barbra Streisand'
                                     'text_people'  ''
                                         'release'  'Guilty'
                                           'title'  'Woman in Love'
                                           'quals'  ("['Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'female vocalists', 'diva', 'pop', '70s']"
                                     'discogstags'  "['pop', 'vocal', 'ballad']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '9'
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-unsorted;set-th-christmas'
                                             'bpm'  '84.951'
                                             'key'  '2A'
                                        'acoustid'  ''
rest: ''

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

'APIC:Cover Image'                                  type PictureType.COVER_FRONT (Cover (front)) b'Cover Image'
                                     
'COMM:ID3v1 Comment:XXX'                            'Love; Romantic; Party; Chris'
'COMM:Songs-DB_Custom1:eng'                         '1980s'
'COMM:Songs-DB_Custom2:eng'                         'Female Vocalists; Ballad; Oldies; Top 40'
'COMM:Songs-DB_Custom3:eng'                         'American'
'COMM:Songs-DB_Occasion:eng'                        'Love; Romantic; Party; Christmas'
'POPM:Windows Media Player 9 Series'                POPM(email='Windows Media Player 9 Series', rating=128, count=0)
'TALB' (Album/Movie/Show title)                     'Guilty'
'TBPM' (BPM (beats per minute))                     '84.951'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-generic or radio-unsorted', 'set-th-christmas']
'TDOR' (Original release time)                      '1980'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Woman in Love'
'TKEY' (Initial key)                                '2A'
'TPE1' (Lead performer(s)/Soloist(s))               'Barbra Streisand'
'TPE2' (Band/orchestra/accompaniment)               'Barbra Streisand'
'TPUB' (Publisher)                                  'Columbia Records'
'TRCK' (Track number/Position in set)               '2/9'
'TSOP' (Performer sort order)                       'Streisand, Barbra'
'TXXX:ALBUMARTISTSORT'                              'Streisand, Barbra'
'TXXX:ASIN'                                         'B0009XT8YW'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '024,182'
'TXXX:MusicBrainz Album Artist Id'                  '56cd15a1-0d74-438b-8244-c96ffe1cae03'
'TXXX:MusicBrainz Album Id'                         'e3feb7ed-cde7-4223-bfc6-fda698703ed0'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '56cd15a1-0d74-438b-8244-c96ffe1cae03'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['pop', 'vocal', 'ballad']
'TXXX:involved people'                              'producer'
'TXXX:lastfmtags'                                   ['80s', 'female vocalists', 'diva', 'pop', '70s']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.96 dB'
'TXXX:replaygain_track_peak'                        '0.602537'

========================== row from database ==========================
                                              'id'  1283405
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/Barbra Streisand__Guilty__cifsaf0a.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  227
                                           'genre'  electronic-generic or radio-unsorted;set-th-christmas
                                        'filesize'  5491473
                                           'mtime'  1620343340
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] Streisand__Guilty__cifsaf0a electronic generic or radio unsorted;set th christmas
                                      'tag_artist'  Barbra Streisand
                                     'tag_release'  Guilty
                                       'tag_title'  Woman in Love
                                             'bpm'  84.951
                                    'search_title'  'in':2 'love':3 'woman':1
                                   'search_artist'  'barbra':1 'streisand':2
                                  'search_release'  'guilty':1
                                     'search_rest'  '00poprockelectronic':1 'christmas':19 'cifsaf0a':9 'electronic':10 'files':5,6 'generic':11 'guilty':8 'loose':3,4 'or':12 'radio':13 'set':15,17 'streisand':7 'th':18 'unsorted':2,14,16
                                    'search_combo'  '00poprockelectronic':7 'barbra':4B 'christmas':25 'cifsaf0a':15 'electronic':16 'files':11,12 'generic':17 'guilty':6C,14 'in':2A 'loose':9,10 'love':3A 'or':18 'radio':19 'set':21,23 'streisand':5B,13 'th':24 'unsorted':8,20,22 'woman':1A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  2A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'female vocalists', 'diva', 'pop', '70s']
                                        'tag_date'  1980
                                     'discogstags'  ['pop', 'vocal', 'ballad']

============================== file details ==============================
                                           'mtime'  1620343339.768976  (2021-05-07 01:22:19)
                             'size'  5491473