======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '62'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'no title'
                                           'title'  'Soft Drinks in Cans - The Can-Paign - Alcoa'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '72'
                                      'tracktotal'  '98'
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials;set-pl-mor'
                                             'bpm'  '85.166'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'no title'
'TBPM' (BPM (beats per minute))                     '85.166'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-commercials', 'set-pl-mor']
'TDRC' (Recording time)                             '1960'
'TIT2' (Title/songname/content description)         'Soft Drinks in Cans - The Can-Paign - Alcoa'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TRCK' (Track number/Position in set)               '72/98'
'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'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+0.60 dB'
'TXXX:replaygain_track_peak'                        '0.501517'

========================== row from database ==========================
                                              'id'  959200
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/commercial_psa/car ads and PSAs/car ads and PSAs - 72. soft drinks in cans - the can-paign - alcoa.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  62
                                           'genre'  nonmusic-commercials;set-pl-mor
                                        'filesize'  1002642
                                           'mtime'  1620525237
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer commercial_psa car ads and PSAs car ads and PSAs 72. soft drinks cans the can paign alcoa nonmusic commercials;set pl mor
                                      'tag_artist'  [unknown]
                                     'tag_release'  no title
                                       'tag_title'  Soft Drinks in Cans - The Can-Paign - Alcoa
                                             'bpm'  85.166
                                    'search_title'  'alcoa':9 'can':6 'canpaign':8 'cans':4 'drinks':2 'in':3 'paign':7 'soft':1 'the':5
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'no':1 'title':2
                                     'search_rest'  '00commercials':2 '0nonmusic':1 '72':12,13 'ads':9 'alcoa':20 'and':10 'can':18 'cans':16 'car':8 'commercial':6 'commercials':22,24 'drinks':15 'mor':27 'movietrailer':5 'nonmusic':21 'paign':19 'pl':26 'psa':7 'psas':11 'radio':4 'set':23,25 'soft':14 'the':17 'tv':3
                                    'search_combo'  '00commercials':15 '0nonmusic':14 '72':25,26 'ads':22 'alcoa':9A,33 'and':23 'can':6A,31 'canpaign':8A 'cans':4A,29 'car':21 'commercial':19 'commercials':35,37 'drinks':2A,28 'in':3A 'mor':40 'movietrailer':18 'no':12C 'nonmusic':34 'paign':7A,32 'pl':39 'psa':20 'psas':24 'radio':17 'set':36,38 'soft':1A,27 'the':5A,30 'title':13C 'tv':16 'unknown':10B,11B
                                    'tag_tracknum'  72
                                      'num_images'  0
                                             'key'  6A
                                           '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-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525237.4847512  (2021-05-09 03:53:57)
                             'size'  1002642