======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '127'
                                          'artist'  'The Flying Burrito Brothers'
                                     'text_people'  ''
                                         'release'  'The Gilded Palace of Sin / Burrito Deluxe'
                                           'title'  "God's Own Singer"
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-2', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-3', 'q-syn-1', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['country', 'rock', 'alt country', 'americana', 'country rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '20'
                                      'tracktotal'  '22'
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'loc-namerica-country-rock'
                                             'bpm'  '112.6'
                                             'key'  '11B'
                                        'acoustid'  '38b56445-7065-4be6-9d06-716e3ee6e361'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Gilded Palace of Sin / Burrito Deluxe'
'TBPM' (BPM (beats per minute))                     '112.6'
'TCON' (Content type, a.k.a. Genre)                 'loc-namerica-country-rock'
'TDOR' (Original release time)                      '1997'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         "God's Own Singer"
'TKEY' (Initial key)                                '11B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'The Flying Burrito Brothers'
'TPE2' (Band/orchestra/accompaniment)               'The Flying Burrito Brothers'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'A&M Records'
'TRCK' (Track number/Position in set)               '20/22'
'TSO2'                                              'Flying Burrito Brothers, The'
'TSOP' (Performer sort order)                       'Flying Burrito Brothers, The'
'TSSE' (Software/Hardware and settings used for encoding)  'Lavf56.25.101'
'TXXX:ASIN'                                         'B000024R2P'
'TXXX:Acoustid Id'                                  '38b56445-7065-4be6-9d06-716e3ee6e361'
'TXXX:BARCODE'                                      '731454070423'
'TXXX:CATALOGNUMBER'                                '540 704-2'
'TXXX:MusicBrainz Album Artist Id'                  'b4375768-3c8b-46e7-b578-c920ccfe725f'
'TXXX:MusicBrainz Album Id'                         'c35a9e38-dfae-4ad0-83fb-8e9cff3b0296'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        'b4375768-3c8b-46e7-b578-c920ccfe725f'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '3'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['country', 'rock', 'alt country', 'americana', 'country rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.69 dB'
'TXXX:replaygain_track_peak'                        '0.510917'

========================== row from database ==========================
                                              'id'  1508132
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/1969 - Flying Burrito Brothers - The Gilded Palace of Sin [1969]/20. The Flying Burrito Bros. - God_s Own Singer.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  127
                                           'genre'  loc-namerica-country-rock
                                        'filesize'  5088620
                                           'mtime'  1621628520
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1969 [1969] 20. Bros. God_s loc namerica country rock
                                      'tag_artist'  The Flying Burrito Brothers
                                     'tag_release'  The Gilded Palace of Sin / Burrito Deluxe
                                       'tag_title'  God's Own Singer
                                             'bpm'  112.6
                                    'search_title'  'god':1 'gods':3 'own':4 's':2 'singer':5
                                   'search_artist'  'brothers':4 'burrito':3 'flying':2 'the':1
                                  'search_release'  'burrito':6 'deluxe':7 'gilded':2 'of':4 'palace':3 'sin':5 'the':1
                                     'search_rest'  '1969':1,2 '20':3,4 'bros':5,6 'country':11 'god':7 'loc':9 'namerica':10 'rock':12 's':8
                                    'search_combo'  '1969':17,18 '20':19,20 'bros':21,22 'brothers':9B 'burrito':8B,15C 'country':27 'deluxe':16C 'flying':7B 'gilded':11C 'god':1A,23 'gods':3A 'loc':25 'namerica':26 'of':13C 'own':4A 'palace':12C 'rock':28 's':2A,24 'sin':14C 'singer':5A 'the':6B,10C
                                    'tag_tracknum'  20
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-3', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['country', 'rock', 'alt country', 'americana', 'country rock']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621628519.9536355  (2021-05-21 22:21:59)
                             'size'  5088620