======================== unified (from filesystem) ========================
                                         'bitrate'  '96.0'
                                        'duration'  '194'
                                          'artist'  'Ambrose & His Orchestra'
                                     'text_people'  ''
                                         'release'  'From CD orig Decca 500'
                                           'title'  "Hors D'oeurves"
                                           'quals'  ("['Q-UNU-1', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-4', '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'  "['big band', 'jazz', '40s', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '82'
                                      'tracktotal'  ''
                                            'date'  '1935'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '145.790'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 9/7/1935 and peaked at #6 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 9/7/1935 and peaked'
'TALB' (Album/Movie/Show title)                     'From CD orig Decca 500'
'TBPM' (BPM (beats per minute))                     '145.790'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TDRC' (Recording time)                             '1935'
'TIT2' (Title/songname/content description)         "Hors D'oeurves"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ambrose & His Orchestra'
'TRCK' (Track number/Position in set)               '82'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['big band', 'jazz', '40s', 'swing']
'TXXX:q-bass'                                       '4'
'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'                        '+1.20 dB'
'TXXX:replaygain_track_peak'                        '0.535053'

========================== row from database ==========================
                                              'id'  1501326
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Ambrose & His Orch. - Hors D_oeurves (1935).mp3
                                         'working'  None
                                         'bitrate'  96
                                    'duration_sec'  194
                                           'genre'  set-th-novelty
                                        'filesize'  2336640
                                           'mtime'  1620343069
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] Orch. D_oeurves (1935) set th novelty
                                      'tag_artist'  Ambrose & His Orchestra
                                     'tag_release'  From CD orig Decca 500
                                       'tag_title'  Hors D'oeurves
                                             'bpm'  145.79
                                    'search_title'  'd':2 'doeurves':4 'hors':1 'oeurves':3
                                   'search_artist'  'ambrose':1 'his':2 'orchestra':3
                                  'search_release'  '500':5 'cd':2 'decca':4 'from':1 'orig':3
                                     'search_rest'  '1935':14,15 'baby':8,9 'chow':6,7 'country':4 'd':12 'exotica':2 'jazz':1 'novelty':18 'oeurves':13 'oldies':3 'orch':10,11 'set':16 'th':17 'zimelis':5
                                    'search_combo'  '1935':26,27 '500':12C 'ambrose':5B 'baby':20,21 'cd':9C 'chow':18,19 'country':16 'd':2A,24 'decca':11C 'doeurves':4A 'exotica':14 'from':8C 'his':6B 'hors':1A 'jazz':13 'novelty':30 'oeurves':3A,25 'oldies':15 'orch':22,23 'orchestra':7B 'orig':10C 'set':28 'th':29 'zimelis':17
                                    'tag_tracknum'  82
                                      '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-1', 'Q-UNU-1', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['big band', 'jazz', '40s', 'swing']
                                        'tag_date'  1935
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343068.9585598  (2021-05-07 01:17:48)
                             'size'  2336640