======================== unified (from filesystem) ========================
                                         'bitrate'  '166.488'
                                        'duration'  '226'
                                          'artist'  'Little Nemo'
                                     'text_people'  ''
                                         'release'  'froide'
                                           'title'  'city lights'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-LOCALNESS-2', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['coldwave', 'post punk', 'cold wave', 'french', 'new wave']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk-coldwave'
                                             'bpm'  '123.106'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'froide'
'TBPM' (BPM (beats per minute))                     '123.106'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk-coldwave'
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'city lights'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Little Nemo'
'TRCK' (Track number/Position in set)               '4'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['coldwave', 'post punk', 'cold wave', 'french', 'new wave']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '+0.03 dB'
'TXXX:replaygain_track_peak'                        '0.644535'

========================== row from database ==========================
                                              'id'  1456862
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00newwave-postpunk/1990 - City Lights/02.little nemo - city lights (2).mp3
                                         'working'  None
                                         'bitrate'  166
                                    'duration_sec'  226
                                           'genre'  electronic-we-new wave or post punk-coldwave
                                        'filesize'  4725780
                                           'mtime'  1620531089
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00newwave postpunk 1990 City Lights 02.little nemo (2) electronic we new wave or post punk coldwave
                                      'tag_artist'  Little Nemo
                                     'tag_release'  froide
                                       'tag_title'  city lights
                                             'bpm'  123.106
                                    'search_title'  'city':1 'lights':2
                                   'search_artist'  'little':1 'nemo':2
                                  'search_release'  'froide':1
                                     'search_rest'  '00newwave':4 '00poprockelectronic':1 '02':9 '02little':11 '1990':6 '2':13,14 'city':7 'coldwave':22 'disco':3 'electronic':15 'lights':8 'little':10 'nemo':12 'new':17 'or':19 'post':20 'postpunk':5 'punk':21 'wave':18 'waves':2 'we':16
                                    'search_combo'  '00newwave':9 '00poprockelectronic':6 '02':14 '02little':16 '1990':11 '2':18,19 'city':1A,12 'coldwave':27 'disco':8 'electronic':20 'froide':5C 'lights':2A,13 'little':3B,15 'nemo':4B,17 'new':22 'or':24 'post':25 'postpunk':10 'punk':26 'wave':23 'waves':7 'we':21
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', '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-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['coldwave', 'post punk', 'cold wave', 'french', 'new wave']
                                        'tag_date'  1986
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620531089.4755495  (2021-05-09 05:31:29)
                             'size'  4725780