======================== unified (from filesystem) ========================
                                         'bitrate'  '235.359'
                                        'duration'  '81'
                                          'artist'  'EC-Rider'
                                     'text_people'  ''
                                         'release'  'Amiga Remastered'
                                           'title'  'Cytax Doc Disk Intro [Remastered]'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-4', 'q-bass-3', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-1', 'q-drums-3', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '2014'
                                        'comments'  ''
                                           'genre'  'electronic-we-beeps or chip or pico'
                                             'bpm'  '93.7'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Amiga Remastered'
'TBPM' (BPM (beats per minute))                     '93.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-beeps or chip or pico'
'TDRC' (Recording time)                             '2014'
'TIT2' (Title/songname/content description)         'Cytax Doc Disk Intro [Remastered]'
'TKEY' (Initial key)                                '4B'
'TPE1' (Lead performer(s)/Soloist(s))               'EC-Rider'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TXXX:PERFORMER'                                    'Remastered by Cryton in 2014'
'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:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.00 dB'
'TXXX:replaygain_track_peak'                        '0.551296'

========================== row from database ==========================
                                              'id'  1379613
                                            'path'  /data/Music/Bulk/00poprockelectronic/00beepy/4Mat - Amiga Music Remastered - Cracktro Classics/EC-Rider - Cytax Doc Disk Intro [Remastered] [Remastered].mp3
                                         'working'  None
                                         'bitrate'  235
                                    'duration_sec'  81
                                           'genre'  electronic-we-beeps or chip or pico
                                        'filesize'  2416111
                                           'mtime'  1621627652
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00beepy 4Mat Music Cracktro Classics electronic we beeps or chip or pico
                                      'tag_artist'  EC-Rider
                                     'tag_release'  Amiga Remastered
                                       'tag_title'  Cytax Doc Disk Intro [Remastered]
                                             'bpm'  93.7
                                    'search_title'  'cytax':1 'disk':3 'doc':2 'intro':4 'remastered':5,6
                                   'search_artist'  'ec':1 'ecrider':3 'rider':2
                                  'search_release'  'amiga':1 'remastered':2
                                     'search_rest'  '00beepy':2 '00poprockelectronic':1 '4mat':3 'beeps':9 'chip':11 'classics':6 'cracktro':5 'electronic':7 'music':4 'or':10 'pico':12 'we':8
                                    'search_combo'  '00beepy':13 '00poprockelectronic':12 '4mat':14 'amiga':10C 'beeps':20 'chip':22 'classics':17 'cracktro':16 'cytax':1A 'disk':3A 'doc':2A 'ec':7B 'ecrider':9B 'electronic':18 'intro':4A 'music':15 'or':21 'pico':23 'remastered':5A,6A,11C 'rider':8B 'we':19
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  4B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-4', 'q-chart-1', 'q-other-4', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  2014
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621627652.2855282  (2021-05-21 22:07:32)
                             'size'  2416111