======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '91'
                                          'artist'  'Batmobile'
                                     'text_people'  ''
                                         'release'  '1990 - Sex Starved'
                                           'title'  '02 S.P.O.C.K.'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  ''
                                            'date'  '1990'
                                        'comments'  ''
                                           'genre'  'rock-rockabilly or psychobilly'
                                             'bpm'  '107.721'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     '1990 - Sex Starved'
'TBPM' (BPM (beats per minute))                     '107.721'
'TCON' (Content type, a.k.a. Genre)                 'rock-rockabilly or psychobilly'
'TDRC' (Recording time)                             '1990'
'TIT2' (Title/songname/content description)         '02 S.P.O.C.K.'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Batmobile'
'TRCK' (Track number/Position in set)               '2'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.09 dB'
'TXXX:replaygain_track_peak'                        '0.577154'

========================== row from database ==========================
                                              'id'  1326272
                                            'path'  /data/Music/Bulk/00poprockelectronic/musica/Batmobile/1990 - sex starved/02 s.p.o.c.k..mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  91
                                           'genre'  rock-rockabilly or psychobilly
                                        'filesize'  1828649
                                           'mtime'  1620526180
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic musica sex starved s.p.o.c.k. rock rockabilly or psychobilly
                                      'tag_artist'  Batmobile
                                     'tag_release'  1990 - Sex Starved
                                       'tag_title'  02 S.P.O.C.K.
                                             'bpm'  107.721
                                    'search_title'  'c':4 'k':5 'o':3 'p':2 's':1 'spock':6
                                   'search_artist'  'batmobile':1
                                  'search_release'  '1990':1 'sex':2 'starved':3
                                     'search_rest'  '00poprockelectronic':1 'c':8 'k':9 'musica':2 'o':7 'or':13 'p':6 'psychobilly':14 'rock':11 'rockabilly':12 's':5 'sex':3 'spock':10 'starved':4
                                    'search_combo'  '00poprockelectronic':11 '1990':8C 'batmobile':7B 'c':4A,18 'k':5A,19 'musica':12 'o':3A,17 'or':23 'p':2A,16 'psychobilly':24 'rock':21 'rockabilly':22 's':1A,15 'sex':9C,13 'spock':6A,20 'starved':10C,14
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['rock and roll', 'psychobilly', 'punk', 'rockabilly', 'rock']
                                        'tag_date'  1990
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620526179.7546937  (2021-05-09 04:09:39)
                             'size'  1828649