======================== unified (from filesystem) ========================
                                         'bitrate'  '145.321'
                                        'duration'  '425'
                                          'artist'  'Big City Orchestra'
                                     'text_people'  ''
                                         'release'  'dark at night'
                                           'title'  'beasts who act like men'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-UNU-3', 'q-syn-2', 'q-bass-2', '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'  ("['industrial', 'noise', 'avant garde', 'experimental', 'old school "
 "industrial']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1997'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '146.0'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'dark at night'
'TBPM' (BPM (beats per minute))                     '146.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1997'
'TIT2' (Title/songname/content description)         'beasts who act like men'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Big City Orchestra'
'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'                                   ['industrial', 'noise', 'avant garde', 'experimental', 'old school industrial']
'TXXX:q-bass'                                       '2'
'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'                        '+1.10 dB'
'TXXX:replaygain_track_peak'                        '0.497522'

========================== row from database ==========================
                                              'id'  919513
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Big City Orchestra/1997 - Big City Orchestre - Dark at Night (Altered States) cass [135-171kvbr]/a2_beasts_who_act_like_men-radial.mp3
                                         'working'  None
                                         'bitrate'  145
                                    'duration_sec'  425
                                           'genre'  electronic-experimental
                                        'filesize'  7739553
                                           'mtime'  1622801633
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1997 Orchestre Dark Night (Altered States) cass [135 171kvbr] a2_beasts_who_act_like_men radial electronic experimental
                                      'tag_artist'  Big City Orchestra
                                     'tag_release'  dark at night
                                       'tag_title'  beasts who act like men
                                             'bpm'  146.0
                                    'search_title'  'act':3 'beasts':1 'like':4 'men':5 'who':2
                                   'search_artist'  'big':1 'city':2 'orchestra':3
                                  'search_release'  'at':2 'dark':1 'night':3
                                     'search_rest'  '135':10,11 '171kvbr':12,13 '1997':1 'a2':14 'act':17 'altered':5,6 'beasts':15 'cass':9 'dark':3 'electronic':21 'experimental':22 'like':18 'men':19 'night':4 'orchestre':2 'radial':20 'states':7,8 'who':16
                                    'search_combo'  '135':21,22 '171kvbr':23,24 '1997':12 'a2':25 'act':3A,28 'altered':16,17 'at':10C 'beasts':1A,26 'big':6B 'cass':20 'city':7B 'dark':9C,14 'electronic':32 'experimental':33 'like':4A,29 'men':5A,30 'night':11C,15 'orchestra':8B 'orchestre':13 'radial':31 'states':18,19 'who':2A,27
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-3', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'noise', 'avant garde', 'experimental', 'old school industrial']
                                        'tag_date'  1997
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1622801633.268811  (2021-06-04 12:13:53)
                             'size'  7739553