======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '152'
                                          'artist'  'blue t-shirt'
                                     'text_people'  ''
                                         'release'  'Music for Maniacs'
                                           'title'  'you still believe in me'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', "
 "'q-grit-2', 'q-play-2', 'Q-OLDST-3', 'q-chart-1', 'q-drums-2', 'q-other-3', "
 "'q-piano-1', 'q-vocals-3', 'Q-HHRNBTT-1', 'q-mixbeat-2', 'Q-LOCALNESS-1']")
                                      'lastfmtags'  "['easy listening', 'ambient', 'canadian', 'downtempo', 'electro']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-experimental-oddness'
                                             'bpm'  '145.6'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Music for Maniacs'
'TBPM' (BPM (beats per minute))                     '145.6'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental-oddness'
'TDRC' (Recording time)                             '2005'
'TIT2' (Title/songname/content description)         'you still believe in me'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'blue t-shirt'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '3'
'TXXX:lastfmtags'                                   ['easy listening', 'ambient', 'canadian', 'downtempo', 'electro']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.99 dB'
'TXXX:replaygain_track_peak'                        '0.454157'

========================== row from database ==========================
                                              'id'  648355
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/music for maniacs/blue_t_shirt_-_you_still_believe_in_me.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  152
                                           'genre'  electronic-experimental-oddness
                                        'filesize'  6094720
                                           'mtime'  1636916485
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm music maniacs blue_t_shirt_ _you_still_believe_in_me electronic experimental oddness
                                      'tag_artist'  blue t-shirt
                                     'tag_release'  Music for Maniacs
                                       'tag_title'  you still believe in me
                                             'bpm'  145.6
                                    'search_title'  'believe':3 'in':4 'me':5 'still':2 'you':1
                                   'search_artist'  'blue':1 'shirt':3 't':2 'tshirt':4
                                  'search_release'  'for':2 'maniacs':3 'music':1
                                     'search_rest'  'believe':8 'blue':3 'electronic':11 'experimental':12 'in':9 'maniacs':2 'me':10 'music':1 'oddness':13 'shirt':5 'still':7 't':4 'you':6
                                    'search_combo'  'believe':3A,20 'blue':6B,15 'electronic':23 'experimental':24 'for':11C 'in':4A,21 'maniacs':12C,14 'me':5A,22 'music':10C,13 'oddness':25 'shirt':8B,17 'still':2A,19 't':7B,16 'tshirt':9B 'you':1A,18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['easy listening', 'ambient', 'canadian', 'downtempo', 'electro']
                                        'tag_date'  2005
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916484.773561  (2021-11-14 20:01:24)
                             'size'  6094720