======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '180'
                                          'artist'  'bunny berigan'
                                     'text_people'  'united states'
                                         'release'  '1935-1936'
                                           'title'  'chicken and waffles'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', 'Q-OLDST-1', "
 "'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-2', "
 "'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']")
                                      'lastfmtags'  "['30s', 'big band', 'jazz', 'trumpet', 'swing']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'set-th-novelty'
                                             'bpm'  '116.386'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '1935-1936'
'TBPM' (BPM (beats per minute))                     '116.386'
'TCON' (Content type, a.k.a. Genre)                 'set-th-novelty'
'TCOP' (Copyright message)                          'melodie jazz classics'
'TDRC' (Recording time)                             '1996'
'TENC' (Encoded by)                                 'cd'
'TIT2' (Title/songname/content description)         'chicken and waffles'
'TKEY' (Initial key)                                '6A'
'TOPE' (Original artist(s)/performer(s))            'united states'
'TPE1' (Lead performer(s)/Soloist(s))               'bunny berigan'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['30s', 'big band', 'jazz', 'trumpet', 'swing']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'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'                        '+2.15 dB'
'TXXX:replaygain_track_peak'                        '0.660375'

========================== row from database ==========================
                                              'id'  767653
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Zimelis [Chow, Baby!]/Bunny Berigan - Chicken And Waffles (1935).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  180
                                           'genre'  set-th-novelty
                                        'filesize'  2887936
                                           'mtime'  1620343073
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country Zimelis [Chow, Baby!] Bunny Berigan Chicken And Waffles (1935) set th novelty
                                      'tag_artist'  bunny berigan
                                     'tag_release'  1935-1936
                                       'tag_title'  chicken and waffles
                                             'bpm'  116.386
                                    'search_title'  'and':2 'chicken':1 'waffles':3
                                   'search_artist'  'berigan':2 'bunny':1
                                  'search_release'  '1935':1 '19351936':3 '1936':2
                                     'search_rest'  '1935':15,16 'and':13 'baby':8,9 'berigan':11 'bunny':10 'chicken':12 'chow':6,7 'country':4 'exotica':2 'jazz':1 'novelty':19 'oldies':3 'set':17 'th':18 'waffles':14 'zimelis':5
                                    'search_combo'  '1935':6C,23,24 '19351936':8C '1936':7C 'and':2A,21 'baby':16,17 'berigan':5B,19 'bunny':4B,18 'chicken':1A,20 'chow':14,15 'country':12 'exotica':10 'jazz':9 'novelty':27 'oldies':11 'set':25 'th':26 'waffles':3A,22 'zimelis':13
                                    'tag_tracknum'  2
                                      '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-2', 'q-syn-1', 'q-chart-2', 'q-other-4', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['30s', 'big band', 'jazz', 'trumpet', 'swing']
                                        'tag_date'  1996
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620343073.1500535  (2021-05-07 01:17:53)
                             'size'  2887936