======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '144'
                                          'artist'  'Ossman-Dudley Trio'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Chicken Chowder (Col.. 1907 (from Harmony reissue, 1912); wr. Irene M. Giblin)'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['all', '1900s']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '128.332'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'PRIV:Amadeus II 3.5:pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA'  PRIV(owner='Amadeus II 3.5', data=b'pdat\x00\x00\x00\x1cAHCGDGCHAAAAAAGAAACPPDAIAAAA')
'TBPM' (BPM (beats per minute))                     '128.332'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '1960'
'TENC' (Encoded by)                                 'Amadeus II'
'TIT2' (Title/songname/content description)         'Chicken Chowder (Col.. 1907 (from Harmony reissue, 1912); wr. Irene M. Giblin)'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ossman-Dudley Trio'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'pop'
'TXXX:lastfmtags'                                   ['all', '1900s']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.91 dB'
'TXXX:replaygain_track_peak'                        '0.774316'

========================== row from database ==========================
                                              'id'  766621
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Ossman-Dudley Trio - Chicken Chowder (Col.. 1907 (from Harmony reissue, 1912); wr. Irene M. Giblin).mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  144
                                           'genre'  set-th-novelty
                                        'filesize'  3461086
                                           'mtime'  1620343089
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] set th novelty
                                      'tag_artist'  Ossman-Dudley Trio
                                     'tag_release'  None
                                       'tag_title'  Chicken Chowder (Col.. 1907 (from Harmony reissue, 1912); wr. Irene M. Giblin)
                                             'bpm'  128.332
                                    'search_title'  '1907':5 '1912':11,12 'chicken':1 'chowder':2 'col':3,4 'from':6,7 'giblin':18,19 'harmony':8 'irene':15 'm':16,17 'reissue':9,10 'wr':13,14
                                   'search_artist'  'dudley':2 'ossman':1 'ossmandudley':3 'trio':4
                                  'search_release'  
                                     'search_rest'  'baby':8,9 'chow':6,7 'country':4 'exotica':2 'jazz':1 'novelty':12 'oldies':3 'set':10 'th':11 'zimelis':5
                                    'search_combo'  '1907':5A '1912':11A,12A 'baby':31,32 'chicken':1A 'chow':29,30 'chowder':2A 'col':3A,4A 'country':27 'dudley':21B 'exotica':25 'from':6A,7A 'giblin':18A,19A 'harmony':8A 'irene':15A 'jazz':24 'm':16A,17A 'novelty':35 'oldies':26 'ossman':20B 'ossmandudley':22B 'reissue':9A,10A 'set':33 'th':34 'trio':23B 'wr':13A,14A 'zimelis':28
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['all', '1900s']
                                        'tag_date'  1960
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1620343088.6541243  (2021-05-07 01:18:08)
                             'size'  3461086