======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '83'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'S&S Chico '
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials;set-pl-mor;set-pl-shirleyspinoza'
                                             'bpm'  '86.882'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '86.882'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-commercials', 'set-pl-mor', 'set-pl-shirleyspinoza']
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'S&S Chico '
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TXXX:Mp3gain_minmax'                               '132,196'
'TXXX:Mp3gain_undo'                                 '+003,+003,N'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:Sortunder'                                    'commercials'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.85 dB'
'TXXX:replaygain_track_peak'                        '0.593648'

========================== row from database ==========================
                                              'id'  959107
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/commercial_psa/S&S_Chico_.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  83
                                           'genre'  nonmusic-commercials;set-pl-mor;set-pl-shirleyspinoza
                                        'filesize'  1344062
                                           'mtime'  1620525071
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer commercial_psa S&S_Chico_ nonmusic commercials;set pl mor;set pl shirleyspinoza
                                      'tag_artist'  [unknown]
                                     'tag_release'  None
                                       'tag_title'  S&S Chico 
                                             'bpm'  86.882
                                    'search_title'  'chico':4 's':1,2 'ss':3
                                   'search_artist'  'unknown':1,2
                                  'search_release'  
                                     'search_rest'  '00commercials':2 '0nonmusic':1 'chico':10,12 'commercial':6 'commercials':14,16 'mor':19,21 'movietrailer':5 'nonmusic':13 'pl':18 'psa':7 'radio':4 's':8,9 'set':15,17,20,22 'shirleyspinoza':23 'ss':11 'tv':3
                                    'search_combo'  '00commercials':8 '0nonmusic':7 'chico':4A,16,18 'commercial':12 'commercials':20,22 'mor':25,27 'movietrailer':11 'nonmusic':19 'pl':24 'psa':13 'radio':10 's':1A,2A,14,15 'set':21,23,26,28 'shirleyspinoza':29 'ss':3A,17 'tv':9 'unknown':5B,6B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525070.6017053  (2021-05-09 03:51:10)
                             'size'  1344062