======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '17'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'no title'
                                           'title'  "The Mustang's her's but the Cobra's all his (Ford 1960s)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '34'
                                      'tracktotal'  '98'
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials;set-pl-mor'
                                             'bpm'  '145.790'
                                             'key'  '2B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'no title'
'TBPM' (BPM (beats per minute))                     '145.790'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-commercials', 'set-pl-mor']
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         "The Mustang's her's but the Cobra's all his (Ford 1960s)"
'TKEY' (Initial key)                                '2B'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TRCK' (Track number/Position in set)               '34/98'
'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:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+2.10 dB'
'TXXX:replaygain_track_peak'                        '0.503087'

========================== row from database ==========================
                                              'id'  1520443
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/commercial_psa/car ads and PSAs/car ads and PSAs - 34. the mustang_s her_s but the cobra_s all his (ford 1960s).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  17
                                           'genre'  nonmusic-commercials;set-pl-mor
                                        'filesize'  280826
                                           'mtime'  1620525197
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer commercial_psa car ads and PSAs car ads and PSAs 34. mustang_s her_s cobra_s (ford nonmusic commercials;set pl mor
                                      'tag_artist'  [unknown]
                                     'tag_release'  no title
                                       'tag_title'  The Mustang's her's but the Cobra's all his (Ford 1960s)
                                             'bpm'  145.79
                                    'search_title'  '1960s':16,17 'all':12 'but':8 'cobra':9 'cobras':11 'ford':14,15 'her':5 'hers':7 'his':13 'mustang':2 'mustangs':4 's':3,6,10 'the':1
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'no':1 'title':2
                                     'search_rest'  '00commercials':2 '0nonmusic':1 '34':12,13 'ads':9 'and':10 'car':8 'cobra':18 'commercial':6 'commercials':23,25 'ford':20,21 'her':16 'mor':28 'movietrailer':5 'mustang':14 'nonmusic':22 'pl':27 'psa':7 'psas':11 'radio':4 's':15,17,19 'set':24,26 'tv':3
                                    'search_combo'  '00commercials':23 '0nonmusic':22 '1960s':16A,17A '34':33,34 'ads':30 'all':12A 'and':31 'but':8A 'car':29 'cobra':9A,39 'cobras':11A 'commercial':27 'commercials':44,46 'ford':14A,15A,41,42 'her':5A,37 'hers':7A 'his':13A 'mor':49 'movietrailer':26 'mustang':2A,35 'mustangs':4A 'no':20C 'nonmusic':43 'pl':48 'psa':28 'psas':32 'radio':25 's':3A,6A,10A,36,38,40 'set':45,47 'the':1A 'title':21C 'tv':24 'unknown':18B,19B
                                    'tag_tracknum'  34
                                      'num_images'  0
                                             'key'  2B
                                           '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-2', 'q-syn-2', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525196.612204  (2021-05-09 03:53:16)
                             'size'  280826