======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '159'
                                          'artist'  'The Mills Brothers'
                                     'text_people'  ''
                                         'release'  "Big Ears - Fitzgerald's Manifesto"
                                           'title'  'Caravan'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-2', 'Q-LOCALNESS-2', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', 'oldies', '30s', 'vocal jazz', '40s', '50s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  '35'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-lounge or exotica or bossa;set-pl-mor;set-pl-shirleyspinoza'
                                             'bpm'  '138.2'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 0000017F 0000017F 000032C4 000032C4 00018C53 00018C53 000081AF 000081AF '
 '0000B99C 0000B99C')
'COMM:iTunes_CDDB_IDs:eng'                          '35+F604417F459430F546C283FAAFB5BA7D+5984032'
'TALB' (Album/Movie/Show title)                     "Big Ears - Fitzgerald's Manifesto"
'TBPM' (BPM (beats per minute))                     '138.2'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-jb-jazz-lounge or exotica or bossa',
 'set-pl-mor',
 'set-pl-shirleyspinoza']
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'iTunes v4.9'
'TIT2' (Title/songname/content description)         'Caravan'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Mills Brothers'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '07/35'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['jazz', 'oldies', '30s', 'vocal jazz', '40s', '50s']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'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'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.85 dB'
'TXXX:replaygain_track_peak'                        '0.852318'

========================== row from database ==========================
                                              'id'  1529052
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Tim Steiner - Big Ears - Fitzgerald_s Manifesto/07 The Mills Brothers.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  159
                                           'genre'  prerock-jb-jazz-lounge or exotica or bossa;set-pl-mor;set-pl-shirleyspinoza
                                        'filesize'  5118049
                                           'mtime'  1620536751
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Tim Steiner Fitzgerald_s 07 prerock jb jazz lounge or exotica or bossa;set pl mor;set pl shirleyspinoza
                                      'tag_artist'  The Mills Brothers
                                     'tag_release'  Big Ears - Fitzgerald's Manifesto
                                       'tag_title'  Caravan
                                             'bpm'  138.2
                                    'search_title'  'caravan':1
                                   'search_artist'  'brothers':3 'mills':2 'the':1
                                  'search_release'  'big':1 'ears':2 'fitzgerald':3 'fitzgeralds':5 'manifesto':6 's':4
                                     'search_rest'  'bossa':13,15 'country':4 'exotica':2 'fitzgerald':7 'jazz':1 'jb':10 'lounge':11 'mor':18,20 'oldies':3 'or':12 'pl':17 'prerock':9 's':8 'set':14,16,19,21 'shirleyspinoza':22 'steiner':6 'tim':5
                                    'search_combo'  'big':5C 'bossa':23,25 'brothers':4B 'caravan':1A 'country':14 'ears':6C 'exotica':12 'fitzgerald':7C,17 'fitzgeralds':9C 'jazz':11 'jb':20 'lounge':21 'manifesto':10C 'mills':3B 'mor':28,30 'oldies':13 'or':22 'pl':27 'prerock':19 's':8C,18 'set':24,26,29,31 'shirleyspinoza':32 'steiner':16 'the':2B 'tim':15
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['jazz', 'oldies', '30s', 'vocal jazz', '40s', '50s']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620536751.498499  (2021-05-09 07:05:51)
                             'size'  5118049