======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '59'
                                          'artist'  'Movie Trailers, Radio Ads, Film Music &c'
                                     'text_people'  ''
                                         'release'  'Horror & Exploitation Radio Spots'
                                           'title'  'Loving Cousins ad'
                                           '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-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '29'
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials-trailers'
                                             'bpm'  '101.819'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'BD0D1642+251420+66+150+26256'
'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'                  '29'
'PRIV:AverageLevel:\x98\x0b\x00\x00'                PRIV(owner='AverageLevel', data=b'\x98\x0b\x00\x00')
'PRIV:PeakValue:Äi\x00\x00'                         PRIV(owner='PeakValue', data=b'\xc4i\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'TALB' (Album/Movie/Show title)                     'Horror & Exploitation Radio Spots'
'TBPM' (BPM (beats per minute))                     '101.819'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-commercials-trailers'
'TDRC' (Recording time)                             '1970'
'TENC' (Encoded by)                                 'iTunes v3.0'
'TIT2' (Title/songname/content description)         'Loving Cousins ad'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Movie Trailers, Radio Ads, Film Music &c'
'TRCK' (Track number/Position in set)               '29'
'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'                                       '1'
'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'                        '+2.73 dB'
'TXXX:replaygain_track_peak'                        '0.584295'

========================== row from database ==========================
                                              'id'  954893
                                            'path'  /data/Music/Bulk/0nonmusic/00commercials-tv-radio-movietrailer/trailers/loving cousins ad60.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  59
                                           'genre'  nonmusic-commercials-trailers
                                        'filesize'  1193821
                                           'mtime'  1620528136
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic 00commercials tv radio movietrailer trailers loving cousins ad60 nonmusic commercials trailers
                                      'tag_artist'  Movie Trailers, Radio Ads, Film Music &c
                                     'tag_release'  Horror & Exploitation Radio Spots
                                       'tag_title'  Loving Cousins ad
                                             'bpm'  101.819
                                    'search_title'  'ad':3 'cousins':2 'loving':1
                                   'search_artist'  'ads':5,6 'c':9,10 'film':7 'movie':1 'music':8 'radio':4 'trailers':2,3
                                  'search_release'  'exploitation':2 'horror':1 'radio':3 'spots':4
                                     'search_rest'  '00commercials':2 '0nonmusic':1 'ad60':9 'commercials':11 'cousins':8 'loving':7 'movietrailer':5 'nonmusic':10 'radio':4 'trailers':6 'tv':3
                                    'search_combo'  '00commercials':19 '0nonmusic':18 'ad':3A 'ad60':26 'ads':8B,9B 'c':12B,13B 'commercials':28 'cousins':2A,25 'exploitation':15C 'film':10B 'horror':14C 'loving':1A,24 'movie':4B 'movietrailer':22 'music':11B 'nonmusic':27 'radio':7B,16C,21 'spots':17C 'trailers':5B,6B,23 'tv':20
                                    'tag_tracknum'  29
                                      '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-1', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528135.5133128  (2021-05-09 04:42:15)
                             'size'  1193821