======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '31'
                                          'artist'  '[unknown]'
                                     'text_people'  ''
                                         'release'  'Trailers'
                                           'title'  'Females For Hire ad 2'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials-trailers;set-pl-mor'
                                             'bpm'  '106.756'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 00000266 0000001E 0000275F 00'
'COMM:iTunNORM:eng'                                 (' 00000266 0000001E 0000275F 000010CA 0000151F 000003C6 00003E9B 00005105 '
 '00000A68 000026E0')
'COMM:iTunes_CDDB_1:eng'                            'BD0D1642+251420+66+150+26256+36266+36888+37402+47120+51615+55488+59402+61764+66355+68781+70848+72799+76905+80946+85538+90147+92448+96871+101313+105604+108035+110416+110871+115500+117998+122936+125261+129869+132297+137140+139767+144456+149333+153826+156462+158867+163551+166003+167079+171170+173352+178009+180374+184816+187283+191647+193895+195028+197622+200696+204275+207632+211116+214425+217553+220728+223454+226532+228921+233361+233931+238940+243653+246496'
'COMM:iTunes_CDDB_TrackNumber:eng'                  '9'
'TALB' (Album/Movie/Show title)                     'Trailers'
'TBPM' (BPM (beats per minute))                     '106.756'
'TCON' (Content type, a.k.a. Genre)                 ['nonmusic-commercials-trailers', 'set-pl-mor']
'TDRC' (Recording time)                             '1970'
'TENC' (Encoded by)                                 'iTunes v3.0'
'TIT2' (Title/songname/content description)         'Females For Hire ad 2'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               '[unknown]'
'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:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'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'                        '+3.20 dB'
'TXXX:replaygain_track_peak'                        '0.517787'

========================== row from database ==========================
                                              'id'  954477
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/trailers/femalesforhire_ad30-2.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  31
                                           'genre'  nonmusic-commercials-trailers;set-pl-mor
                                        'filesize'  633236
                                           'mtime'  1620528099
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer trailers femalesforhire_ad30 nonmusic commercials trailers;set pl mor
                                      'tag_artist'  [unknown]
                                     'tag_release'  Trailers
                                       'tag_title'  Females For Hire ad 2
                                             'bpm'  106.756
                                    'search_title'  '2':5 'ad':4 'females':1 'for':2 'hire':3
                                   'search_artist'  'unknown':1,2
                                  'search_release'  'trailers':1
                                     'search_rest'  '00commercials':2 '0nonmusic':1 'ad30':8 'commercials':10 'femalesforhire':7 'mor':16 'movietrailer':5 'nonmusic':9 'pl':15 'radio':4 'set':12,14 'trailers':6,11,13 'tv':3
                                    'search_combo'  '00commercials':10 '0nonmusic':9 '2':5A 'ad':4A 'ad30':16 'commercials':18 'females':1A 'femalesforhire':15 'for':2A 'hire':3A 'mor':24 'movietrailer':13 'nonmusic':17 'pl':23 'radio':12 'set':20,22 'trailers':8C,14,19,21 'tv':11 'unknown':6B,7B
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  9A
                                           '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-1', 'q-syn-2', 'q-chart-1', 'q-other-1', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['mysterious', 'unknown', 'all', 'mistagged artist', 'rock']
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528099.046911  (2021-05-09 04:41:39)
                             'size'  633236