======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '128'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Commercial'
                                           'title'  'Track 03'
                                           '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-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '3'
                                            'date'  '1960'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials;set-pl-mor'
                                             'bpm'  '86.290'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '2204BC03+1214+3+150+57343+81'
'COMM:SoundJam_CDDB_1:eng'                          '2204BC03+1214+3+150+57343+81477'
'COMM:SoundJam_CDDB_TrackNumber:eng'                '3'
'TALB' (Album/Movie/Show title)                     'Commercial'
'TBPM' (BPM (beats per minute))                     '86.290'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-commercials', 'set-pl-mor']
'TDRC' (Recording time)                             '1960'
'TENC' (Encoded by)                                 'SoundJam v2.5.1'
'TIT2' (Title/songname/content description)         'Track 03'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'TRCK' (Track number/Position in set)               '3/3'
'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'                                      '1'
'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'                        '+1.22 dB'
'TXXX:replaygain_track_peak'                        '0.764341'

========================== row from database ==========================
                                              'id'  956922
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/commercial_psa/God Nose - TV Commersial 1965 (never broadcast).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  128
                                           'genre'  nonmusic-commercials;set-pl-mor
                                        'filesize'  2052579
                                           'mtime'  1620524889
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer commercial_psa God Nose TV Commersial 1965 (never broadcast) nonmusic commercials;set pl mor
                                      'tag_artist'  [unknown]
                                     'tag_release'  Commercial
                                       'tag_title'  Track 03
                                             'bpm'  86.29
                                    'search_title'  'track':1
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'commercial':1
                                     'search_rest'  '00commercials':2 '0nonmusic':1 '1965':11 'broadcast':14,15 'commercial':6 'commercials':17,19 'commersial':10 'god':8 'mor':22 'movietrailer':5 'never':12,13 'nonmusic':16 'nose':9 'pl':21 'psa':7 'radio':4 'set':18,20 'tv':3
                                    'search_combo'  '00commercials':6 '0nonmusic':5 '1965':15 'broadcast':18,19 'commercial':4C,10 'commercials':21,23 'commersial':14 'god':12 'mor':26 'movietrailer':9 'never':16,17 'nonmusic':20 'nose':13 'pl':25 'psa':11 'radio':8 'set':22,24 'track':1A 'tv':7 'unknown':2B,3B
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  8A
                                           '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-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  1960
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620524889.009164  (2021-05-09 03:48:09)
                             'size'  2052579