======================== unified (from filesystem) ========================
                                         'bitrate'  '231.293'
                                        'duration'  '212'
                                          'artist'  'Anaïs Mitchell'
                                     'text_people'  'Anais Mitchell'
                                         'release'  'Hadestown'
                                           'title'  "Flowers (Eurydice's Song)"
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['indie', 'female vocalists', 'alternative folk', 'acoustic', 'folk', "
 "'singer songwriter']")
                                     'discogstags'  "['rock', 'pop', 'folk, world, & country']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '20'
                                            'date'  '2010'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-folk'
                                             'bpm'  '86'
                                             'key'  '6B'
                                        'acoustid'  '960fe02c-abea-42ab-ab4b-a39cee28bd37'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Hadestown'
'TBPM' (BPM (beats per minute))                     '86'
'TCOM' (Composer)                                   'Anais Mitchell'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-folk'
'TCOP' (Copyright message)                          '2010 Righteous Babe Records Inc.'
'TDOR' (Original release time)                      '2010'
'TDRC' (Recording time)                             '2010-03-09'
'TIPL' (Involved people list)                       TIPL(encoding=<Encoding.UTF16: 1>, people=[['vocals', 'Ben t. Matchstick'], ['vibraphone', 'Mike Dillon'], ['harmonica', 'Ben t. Matchstick'], ['drums (drum set)', 'Jim Black'], ['trumpet', 'Nate Wooley'], ['viola', 'Tanya Kalmanovitch'], ['electric guitar', 'Jonathan Goldberger'], ['electric guitar', 'Brandon Seabrook'], ['guitar', 'Michael Chorney'], ['percussion', 'Jim Black'], ['cello', 'Marika Hughes'], ['four-string banjo', 'Brandon Seabrook'], ['acoustic guitar', 'Michael Chorney'], ['acoustic guitar', 'Anaïs Mitchell'], ['reed organ', 'Todd Sickafoose'], ['accordion', 'Rob Burger'], ['pedal steel guitar', 'Rich Hinman'], ['tape', 'Brandon Seabrook'], ['double bass', 'Todd Sickafoose'], ['trombone', 'Josh Roseman'], ['piano', 'Rob Burger'], ['piano', 'Todd Sickafoose'], ['glass harp', 'Miguel Frasconi']])
'TIT2' (Title/songname/content description)         "Flowers (Eurydice's Song)"
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Anaïs Mitchell'
'TPE2' (Band/orchestra/accompaniment)               'Anaïs Mitchell'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Righteous Babe Records'
'TRCK' (Track number/Position in set)               '11/20'
'TSO2'                                              'Mitchell, Anaïs'
'TSOP' (Performer sort order)                       'Mitchell, Anaïs'
'TSRC' (ISRC (international standard recording code))  'USRB41000011'
'TXXX:ASIN'                                         'B0034JIOWK'
'TXXX:Acoustid Id'                                  '960fe02c-abea-42ab-ab4b-a39cee28bd37'
'TXXX:Artists'                                      'Anaïs Mitchell'
'TXXX:BARCODE'                                      '0748731707026'
'TXXX:CATALOGNUMBER'                                'RBR070-D'
'TXXX:MusicBrainz Album Artist Id'                  '9f41d3cd-5fe4-4144-b658-b00c557f0441'
'TXXX:MusicBrainz Album Id'                         '58145268-9ecd-42f5-9f1c-4e7968c7d285'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '9f41d3cd-5fe4-4144-b658-b00c557f0441'
'TXXX:MusicBrainz Release Group Id'                 '38ddd329-d138-4234-8aab-7f53947fad22'
'TXXX:MusicBrainz Release Track Id'                 '299c631f-6216-309e-b529-4a13e0ca294c'
'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'                                  ['rock', 'pop', 'folk, world, & country']
'TXXX:lastfmtags'                                   ['indie',
 'female vocalists',
 'alternative folk',
 'acoustic',
 'folk',
 'singer songwriter']
'TXXX:mood'                                         'Not electronic/Not happy/Not party/Sad/Relaxed/Acoustic/Not aggressive'
'TXXX:originalyear'                                 '2010'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.65 dB'
'TXXX:replaygain_track_peak'                        '0.423110'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'22a9e9ec-2e0d-4ca6-b109-9701a1f165a9')

========================== row from database ==========================
                                              'id'  1508302
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Anais Mitchell - Hadestown (2010)/11 - Flowers (Eurydice_s Song).mp3
                                         'working'  None
                                         'bitrate'  231
                                    'duration_sec'  212
                                           'genre'  ifs-songwriter-folk
                                        'filesize'  6220678
                                           'mtime'  1636400718
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos Anais (2010) 11 (Eurydice_s ifs songwriter folk
                                      'tag_artist'  Anaïs Mitchell
                                     'tag_release'  Hadestown
                                       'tag_title'  Flowers (Eurydice's Song)
                                             'bpm'  86.0
                                    'search_title'  'eurydice':2 'eurydices':4 'flowers':1 's':3 'song':5,6
                                   'search_artist'  'anais':1,2 'mitchell':3
                                  'search_release'  'hadestown':1
                                     'search_rest'  '00singer':1 '2010':5,6 'anais':4 'eos':3 'eurydice':7,9 'folk':12 'ifs':11 's':8,10 'songwriter':2
                                    'search_combo'  '00singer':11 '2010':15,16 'anais':7B,8B,14 'eos':13 'eurydice':2A,17,19 'eurydices':4A 'flowers':1A 'folk':22 'hadestown':10C 'ifs':21 'mitchell':9B 's':3A,18,20 'song':5A,6A 'songwriter':12
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'female vocalists', 'alternative folk', 'acoustic', 'folk', 'singer songwriter']
                                        'tag_date'  2010
                                     'discogstags'  ['rock', 'pop', 'folk, world, & country']

============================== file details ==============================
                                           'mtime'  1636400717.5385275  (2021-11-08 20:45:17)
                             'size'  6220678