======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '40'
                                          'artist'  "Velvet Underground 'White Light, White Heat' LP Promo"
                                     'text_people'  ''
                                         'release'  'Psychedelic Promos Radio Spots Vol. 2'
                                           'title'  "Velvet Underground 'White Light, White Heat' LP Promo"
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                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1970'
                                        'comments'  ''
                                           'genre'  'nonmusic-commercials'
                                             'bpm'  '121.774'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Psychedelic Promos Radio Spots Vol. 2'
'TBPM' (BPM (beats per minute))                     '121.774'
'TCON' (Content type, a.k.a. Genre)                 'nonmusic-commercials'
'TDRC' (Recording time)                             '1970'
'TIT2' (Title/songname/content description)         "Velvet Underground 'White Light, White Heat' LP Promo"
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               "Velvet Underground 'White Light, White Heat' LP Promo"
'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'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'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'                        '+2.86 dB'
'TXXX:replaygain_track_peak'                        '0.292135'
'TXXX:tracknum'                                     '33'

========================== row from database ==========================
                                              'id'  1502222
                                            'path'  /data/Music/Bulk/0nonmusic/PsychedelicPromosRadioSpotsVol.2/33. Velvet Underground _White Light, White Heat_ LP Promo.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  40
                                           'genre'  nonmusic-commercials
                                        'filesize'  1610315
                                           'mtime'  1620525663
                                   'redo_metaread'  0
                                        'rest_str'   0nonmusic PsychedelicPromosRadioSpotsVol.2 33. _White Heat_ nonmusic commercials
                                      'tag_artist'  Velvet Underground 'White Light, White Heat' LP Promo
                                     'tag_release'  Psychedelic Promos Radio Spots Vol. 2
                                       'tag_title'  Velvet Underground 'White Light, White Heat' LP Promo
                                             'bpm'  121.774
                                    'search_title'  'heat':7,8 'light':5,6 'lp':9 'promo':10 'underground':2 'velvet':1 'white':3,4
                                   'search_artist'  'heat':7,8 'light':5,6 'lp':9 'promo':10 'underground':2 'velvet':1 'white':3,4
                                  'search_release'  '2':7 'promos':2 'psychedelic':1 'radio':3 'spots':4 'vol':5,6
                                     'search_rest'  '0nonmusic':1 '2':3,16 '33':5,6 'commercials':10 'heat':8 'nonmusic':9 'promos':12 'psychedelic':11 'psychedelicpromosradiospotsvol':2 'psychedelicpromosradiospotsvol2':4 'radio':13 'spots':14 'vol':15 'vol2':17 'white':7
                                    'search_combo'  '0nonmusic':28 '2':27C,30,43 '33':32,33 'commercials':37 'heat':7A,8A,17B,18B,35 'light':5A,6A,15B,16B 'lp':9A,19B 'nonmusic':36 'promo':10A,20B 'promos':22C,39 'psychedelic':21C,38 'psychedelicpromosradiospotsvol':29 'psychedelicpromosradiospotsvol2':31 'radio':23C,40 'spots':24C,41 'underground':2A,12B 'velvet':1A,11B 'vol':25C,26C,42 'vol2':44 'white':3A,4A,13B,14B,34
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           '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-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1970
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620525663.002546  (2021-05-09 04:01:03)
                             'size'  1610315