======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '260'
                                          'artist'  'Big City Orchestra'
                                     'text_people'  ''
                                         'release'  'Insane Music for Insane People Vol. 9'
                                           'title'  'MCX'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-OLDST-3', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['industrial', 'noise', 'avant garde', 'experimental', 'old school "
 "industrial']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted;set-pl-mor'
                                             'bpm'  '84.5'
                                             'key'  '3A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Insane Music for Insane People Vol. 9'
'TBPM' (BPM (beats per minute))                     '84.5'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-unsorted', 'set-pl-mor']
'TDRC' (Recording time)                             '1986'
'TIT2' (Title/songname/content description)         'MCX'
'TKEY' (Initial key)                                '3A'
'TPE1' (Lead performer(s)/Soloist(s))               'Big City Orchestra'
'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'                                        '2'
'TXXX:lastfmtags'                                   ['industrial', 'noise', 'avant garde', 'experimental', 'old school industrial']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.48 dB'
'TXXX:replaygain_track_peak'                        '0.507323'
'TXXX:tracknum'                                     'B5'

========================== row from database ==========================
                                              'id'  1365831
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Bill Pritchard - Insane Music For Insane People Vol. 9 (Insane Music, 1986) [320k]/B5 Big City Orchestra - MCX.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  260
                                           'genre'  electronic-unsorted;set-pl-mor
                                        'filesize'  10429575
                                           'mtime'  1638556487
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm Bill Pritchard For (Insane Music, 1986) [320k] B5 electronic unsorted;set mor
                                      'tag_artist'  Big City Orchestra
                                     'tag_release'  Insane Music for Insane People Vol. 9
                                       'tag_title'  MCX
                                             'bpm'  84.5
                                    'search_title'  'mcx':1
                                   'search_artist'  'big':1 'city':2 'orchestra':3
                                  'search_release'  '9':7 'for':3 'insane':1 'music':2 'people':4 'vol':5,6
                                     'search_rest'  '1986':8,9 '320k':10,11 'b5':12 'bill':1 'electronic':13 'for':3 'insane':4,5 'mor':18 'music':6,7 'pritchard':2 'set':15,17 'unsorted':14,16
                                    'search_combo'  '1986':19,20 '320k':21,22 '9':11C 'b5':23 'big':2B 'bill':12 'city':3B 'electronic':24 'for':7C,14 'insane':5C,15,16 'mcx':1A 'mor':29 'music':6C,17,18 'orchestra':4B 'people':8C 'pritchard':13 'set':26,28 'unsorted':25,27 'vol':9C,10C
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  3A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-1', 'q-other-3', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'noise', 'avant garde', 'experimental', 'old school industrial']
                                        'tag_date'  1986
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1638556486.8538053  (2021-12-03 19:34:46)
                             'size'  10429575