======================== unified (from filesystem) ========================
                                         'bitrate'  '48.0'
                                        'duration'  '96'
                                          'artist'  'Carly Simon'
                                     'text_people'  ''
                                         'release'  'Chevrolet Sings of Safe Driving'
                                           'title'  'An Exciting Thing (Driving A Car)'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-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-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock', '70s', 'female vocalists', 'pop', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials;set-pl-mor'
                                             'bpm'  '110.543'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Chevrolet Sings of Safe Driving'
'TBPM' (BPM (beats per minute))                     '110.543'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-commercials', 'set-pl-mor']
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'An Exciting Thing (Driving A Car)'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Carly Simon'
'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:lastfmtags'                                   ['rock', '70s', 'female vocalists', 'pop', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.01 dB'
'TXXX:replaygain_track_peak'                        '0.620017'

========================== row from database ==========================
                                              'id'  956369
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/commercial_psa/Chevrolet Sings of Safe Driving - 1 an_exciting_thing.mp3
                                         'working'  None
                                         'bitrate'  48
                                    'duration_sec'  96
                                           'genre'  nonmusic-commercials;set-pl-mor
                                        'filesize'  581269
                                           'mtime'  1620524825
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer commercial_psa 1 an_exciting_thing nonmusic commercials;set pl mor
                                      'tag_artist'  Carly Simon
                                     'tag_release'  Chevrolet Sings of Safe Driving
                                       'tag_title'  An Exciting Thing (Driving A Car)
                                             'bpm'  110.543
                                    'search_title'  'a':6 'an':1 'car':7,8 'driving':4,5 'exciting':2 'thing':3
                                   'search_artist'  'carly':1 'simon':2
                                  'search_release'  'chevrolet':1 'driving':5 'of':3 'safe':4 'sings':2
                                     'search_rest'  '00commercials':2 '0nonmusic':1 '1':8 'an':9 'commercial':6 'commercials':13,15 'exciting':10 'mor':18 'movietrailer':5 'nonmusic':12 'pl':17 'psa':7 'radio':4 'set':14,16 'thing':11 'tv':3
                                    'search_combo'  '00commercials':17 '0nonmusic':16 '1':23 'a':6A 'an':1A,24 'car':7A,8A 'carly':9B 'chevrolet':11C 'commercial':21 'commercials':28,30 'driving':4A,5A,15C 'exciting':2A,25 'mor':33 'movietrailer':20 'nonmusic':27 'of':13C 'pl':32 'psa':22 'radio':19 'safe':14C 'set':29,31 'simon':10B 'sings':12C 'thing':3A,26 'tv':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9B
                                           '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-1', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['rock', '70s', 'female vocalists', 'pop', 'singer songwriter']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524824.775566  (2021-05-09 03:47:04)
                             'size'  581269