======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '302'
                                          'artist'  'Biota'
                                     'text_people'  ''
                                         'release'  "A Classic Guide to No Man's Land"
                                           'title'  'Hidden Aboard'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['avant-garde', 'psychedelic', 'experimental', 'maybe wave', 'experimental "
 "rock']")
                                     'discogstags'  "['experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '19'
                                      'tracktotal'  ''
                                            'date'  '1987'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '139.7'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     "A Classic Guide to No Man's Land"
'TBPM' (BPM (beats per minute))                     '139.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1987'
'TIT2' (Title/songname/content description)         'Hidden Aboard'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Biota'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '19'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'experimental'
'TXXX:lastfmtags'                                   ['avant-garde',
 'psychedelic',
 'experimental',
 'maybe wave',
 'experimental rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'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'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.19 dB'
'TXXX:replaygain_track_peak'                        '0.922043'

========================== row from database ==========================
                                              'id'  1525914
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Etron Fou Leloublan - a classic guide to no man_s land (1985-88)/19 - biota - hidden aboard.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  302
                                           'genre'  electronic-unsorted
                                        'filesize'  12099593
                                           'mtime'  1642339776
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Etron Fou Leloublan classic guide no man_s land (1985 88) 19 biota hidden aboard electronic unsorted
                                      'tag_artist'  Biota
                                     'tag_release'  A Classic Guide to No Man's Land
                                       'tag_title'  Hidden Aboard
                                             'bpm'  139.7
                                    'search_title'  'aboard':2 'hidden':1
                                   'search_artist'  'biota':1
                                  'search_release'  'a':1 'classic':2 'guide':3 'land':9 'man':6 'mans':8 'no':5 's':7 'to':4
                                     'search_rest'  '19':14 '1985':10,11 '88':12,13 'aboard':17 'biota':15 'classic':4 'electronic':18 'etron':1 'fou':2 'guide':5 'hidden':16 'land':9 'leloublan':3 'man':7 'no':6 's':8 'unsorted':19
                                    'search_combo'  '19':26 '1985':22,23 '88':24,25 'a':4C 'aboard':2A,29 'biota':3B,27 'classic':5C,16 'electronic':30 'etron':13 'fou':14 'guide':6C,17 'hidden':1A,28 'land':12C,21 'leloublan':15 'man':9C,19 'mans':11C 'no':8C,18 's':10C,20 'to':7C 'unsorted':31
                                    'tag_tracknum'  19
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-1', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', 'q-mixbeat-1']
                                      'lastfmtags'  ['avant-garde', 'psychedelic', 'experimental', 'maybe wave', 'experimental rock']
                                        'tag_date'  1987
                                     'discogstags'  ['experimental']

============================== file details ==============================
                                           'mtime'  1642339775.9234924  (2022-01-16 14:29:35)
                             'size'  12099593