======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '345'
                                          'artist'  'Johnny Guitar Watson'
                                     'text_people'  'Johnny "Guitar" Watson'
                                         'release'  "Ain't That A Bitch"
                                           'title'  'I Want To Ta-Ta You Baby'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', 'Q-JZFKS-4', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', '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-2']")
                                      'lastfmtags'  "['funk', 'blues', 'soul', '70s', 'guitar']"
                                     'discogstags'  "['funk / soul', 'funk', 'disco']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'funk or soul-funk'
                                             'bpm'  '116.4'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     "Ain't That A Bitch"
'TBPM' (BPM (beats per minute))                     '116.4'
'TCOM' (Composer)                                   'Johnny "Guitar" Watson'
'TCON' (Content type, a.k.a. Genre)                 'funk or soul-funk'
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         'I Want To Ta-Ta You Baby'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               "Johnny 'Guitar' Watson"
'TPE2' (Band/orchestra/accompaniment)               'Johnny Guitar Watson'
'TPUB' (Publisher)                                  'Collectables'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '4'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['funk / soul', 'funk', 'disco']
'TXXX:lastfmtags'                                   ['funk', 'blues', 'soul', '70s', 'guitar']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+3.24 dB'
'TXXX:replaygain_track_peak'                        '0.667564'

========================== row from database ==========================
                                              'id'  1522648
                                            'path'  /data/Music/Bulk/00popandrock-swing-funk-soul/johnny guitar watson - 1976 ain_t that a bitch/a2 - johnny guitar watson - i want to ta-ta you baby.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  345
                                           'genre'  funk or soul-funk
                                        'filesize'  8289708
                                           'mtime'  1620665730
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock swing funk soul johnny guitar watson 1976 ain_t that bitch a2 johnny guitar watson want to you baby funk or soul funk
                                      'tag_artist'  Johnny Guitar Watson
                                     'tag_release'  Ain't That A Bitch
                                       'tag_title'  I Want To Ta-Ta You Baby
                                             'bpm'  116.4
                                    'search_title'  'baby':8 'i':1 'ta':4,5 'tata':6 'to':3 'want':2 'you':7
                                   'search_artist'  'guitar':2 'johnny':1 'watson':3
                                  'search_release'  'a':5 'ain':1 'aint':3 'bitch':6 't':2 'that':4
                                     'search_rest'  '1976':7 'a2':12 'ain':8 'baby':16 'bitch':11 'funk':2 'guitar':5 'johnny':4 'or':17 'soul':3 'swing':1 't':9 'that':10 'to':14 'want':13 'watson':6 'you':15
                                    'search_combo'  '1976':24 'a':16C 'a2':29 'ain':12C,25 'aint':14C 'baby':8A,33 'bitch':17C,28 'funk':19 'guitar':10B,22 'i':1A 'johnny':9B,21 'or':34 'soul':20 'swing':18 't':13C,26 'ta':4A,5A 'tata':6A 'that':15C,27 'to':3A,31 'want':2A,30 'watson':11B,23 'you':7A,32
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-4', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['funk', 'blues', 'soul', '70s', 'guitar']
                                        'tag_date'  1976
                                     'discogstags'  ['funk / soul', 'funk', 'disco']

============================== file details ==============================
                                           'mtime'  1620665729.7273016  (2021-05-10 18:55:29)
                             'size'  8289708