======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '38'
                                          'artist'  'Mad Mike Metrovich'
                                     'text_people'  ''
                                         'release'  'Mad Mike Monsters Vol. 2'
                                           'title'  'WZUM Radio Spot #3'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-1', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['alternative pop rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '18'
                                      'tracktotal'  '18'
                                            'date'  '1965'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials-trailers;set-pl-mor'
                                             'bpm'  '115.854'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            '0'
'COMM:iTunNORM:eng'                                 (' 000010EE 000010EE 00004D18 00004D18 000010F0 000010F0 00006900 00006900 '
 '00003EA7 00003EA7')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008DC 000000000019E714 00000000 000BB3EB 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '18+B7CE863E70D973309C8F3404FD7CDAB6+11881717'
'TALB' (Album/Movie/Show title)                     'Mad Mike Monsters Vol. 2'
'TBPM' (BPM (beats per minute))                     '115.854'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-commercials-trailers', 'set-pl-mor']
'TDRC' (Recording time)                             '1965'
'TENC' (Encoded by)                                 'iTunes 9.0.1.8'
'TIT2' (Title/songname/content description)         'WZUM Radio Spot #3'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Mad Mike Metrovich'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPOS' (Part of a set)                              '2/3'
'TRCK' (Track number/Position in set)               '18/18'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   'alternative pop rock'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.44 dB'
'TXXX:replaygain_track_peak'                        '0.290168'

========================== row from database ==========================
                                              'id'  956936
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/trailers/2-18 wzum radio spot #3.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  38
                                           'genre'  nonmusic-commercials-trailers;set-pl-mor
                                        'filesize'  773396
                                           'mtime'  1620527895
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer trailers 18 wzum radio spot nonmusic commercials trailers;set pl mor
                                      'tag_artist'  Mad Mike Metrovich
                                     'tag_release'  Mad Mike Monsters Vol. 2
                                       'tag_title'  WZUM Radio Spot #3
                                             'bpm'  115.854
                                    'search_title'  '3':4,5 'radio':2 'spot':3 'wzum':1
                                   'search_artist'  'mad':1 'metrovich':3 'mike':2
                                  'search_release'  '2':6 'mad':1 'mike':2 'monsters':3 'vol':4,5
                                     'search_rest'  '00commercials':2 '0nonmusic':1 '18':7 'commercials':11 'mor':17 'movietrailer':5 'nonmusic':10 'pl':16 'radio':4 'set':13,15 'spot':9 'trailers':6,12,14 'tv':3 'wzum':8
                                    'search_combo'  '00commercials':16 '0nonmusic':15 '18':21 '2':14C '3':4A,5A 'commercials':25 'mad':6B,9C 'metrovich':8B 'mike':7B,10C 'monsters':11C 'mor':31 'movietrailer':19 'nonmusic':24 'pl':30 'radio':2A,18 'set':27,29 'spot':3A,23 'trailers':20,26,28 'tv':17 'vol':12C,13C 'wzum':1A,22
                                    'tag_tracknum'  18
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['alternative pop rock']
                                        'tag_date'  1965
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620527895.2787616  (2021-05-09 04:38:15)
                             'size'  773396